Preview fails on string to heredoc converting intention

[hurricup]

Build: PY-232.9559.58 OS: Linux amd64 6.2.0-36-generic Java Vendor: JetBrains s.r.o. Java Version: 17.0.8 Java Runtime Version: 17.0.8+7-b1000.8 Perl Plugin Version: 2023.2.1 Description: Message: none

java.lang.AssertionError
	at com.perl5.lang.perl.idea.intentions.StringToLastHeredocIntention.doInvoke(StringToLastHeredocIntention.java:50)
	at com.perl5.lang.perl.idea.intentions.StringToHeredocIntention$1.invoke(StringToHeredocIntention.java:46)
	at com.intellij.codeInsight.intention.PsiElementBaseIntentionAction.invoke(PsiElementBaseIntentionAction.java:41)
	at com.intellij.codeInsight.intention.IntentionAction.generatePreview(IntentionAction.java:111)
	at com.intellij.codeInsight.intention.impl.preview.IntentionPreviewComputable.invokePreview$lambda$3$lambda$2$lambda$1(IntentionPreviewComputable.kt:124)
	at com.intellij.model.SideEffectGuard.computeWithAllowedSideEffects(SideEffectGuard.java:25)
	at com.intellij.model.SideEffectGuard.computeWithoutSideEffects(SideEffectGuard.java:18)
	at com.intellij.codeInsight.intention.impl.preview.IntentionPreviewComputable.invokePreview$lambda$3$lambda$2(IntentionPreviewComputable.kt:123)
	at com.intellij.psi.impl.source.PostprocessReformattingAspectImpl.lambda$postponeFormattingInside$2(PostprocessReformattingAspectImpl.java:140)
	at com.intellij.psi.impl.source.PostprocessReformattingAspectImpl.postponeFormattingInside(PostprocessReformattingAspectImpl.java:149)
	at com.intellij.psi.impl.source.PostprocessReformattingAspectImpl.postponeFormattingInside(PostprocessReformattingAspectImpl.java:139)
	at com.intellij.codeInsight.intention.impl.preview.IntentionPreviewComputable.invokePreview$lambda$3(IntentionPreviewComputable.kt:122)
	at com.intellij.codeInsight.intention.preview.IntentionPreviewUtils.previewSession(IntentionPreviewUtils.java:127)
	at com.intellij.codeInsight.intention.impl.preview.IntentionPreviewComputable.invokePreview(IntentionPreviewComputable.kt:121)
	at com.intellij.codeInsight.intention.impl.preview.IntentionPreviewComputable.generatePreview(IntentionPreviewComputable.kt:89)
	at com.intellij.codeInsight.intention.impl.preview.IntentionPreviewComputable.tryCreateDiffContent(IntentionPreviewComputable.kt:65)
	at com.intellij.codeInsight.intention.impl.preview.IntentionPreviewComputable.call(IntentionPreviewComputable.kt:43)
	at com.intellij.codeInsight.intention.impl.preview.IntentionPreviewComputable.call(IntentionPreviewComputable.kt:38)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$OTelMonitor.callWrapped(NonBlockingReadActionImpl.java:832)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$OTelMonitor$MonitoredComputation.call(NonBlockingReadActionImpl.java:864)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.insideReadAction(NonBlockingReadActionImpl.java:602)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.lambda$attemptComputation$4(NonBlockingReadActionImpl.java:565)
	at com.intellij.openapi.application.impl.ApplicationImpl.tryRunReadAction(ApplicationImpl.java:1133)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.lambda$runInReadActionWithWriteActionPriority$0(ProgressIndicatorUtils.java:76)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtilService.runActionAndCancelBeforeWrite(ProgressIndicatorUtilService.java:63)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runActionAndCancelBeforeWrite(ProgressIndicatorUtils.java:133)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.lambda$runWithWriteActionPriority$1(ProgressIndicatorUtils.java:114)
	at com.intellij.openapi.progress.ProgressManager.lambda$runProcess$0(ProgressManager.java:71)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$runProcess$2(CoreProgressManager.java:186)
	at com.intellij.openapi.progress.impl.CoreProgressManager.lambda$executeProcessUnderProgress$13(CoreProgressManager.java:604)
	at com.intellij.openapi.progress.impl.CoreProgressManager.registerIndicatorAndRun(CoreProgressManager.java:679)
	at com.intellij.openapi.progress.impl.CoreProgressManager.computeUnderProgress(CoreProgressManager.java:635)
	at com.intellij.openapi.progress.impl.CoreProgressManager.executeProcessUnderProgress(CoreProgressManager.java:603)
	at com.intellij.openapi.progress.impl.ProgressManagerImpl.executeProcessUnderProgress(ProgressManagerImpl.java:61)
	at com.intellij.openapi.progress.impl.CoreProgressManager.runProcess(CoreProgressManager.java:173)
	at com.intellij.openapi.progress.ProgressManager.runProcess(ProgressManager.java:71)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runWithWriteActionPriority(ProgressIndicatorUtils.java:111)
	at com.intellij.openapi.progress.util.ProgressIndicatorUtils.runInReadActionWithWriteActionPriority(ProgressIndicatorUtils.java:76)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.attemptComputation(NonBlockingReadActionImpl.java:565)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.lambda$transferToBgThread$1(NonBlockingReadActionImpl.java:466)
	at com.intellij.openapi.application.impl.NonBlockingReadActionImpl$Submission.lambda$transferToBgThread$2(NonBlockingReadActionImpl.java:481)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:702)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1$1.run(Executors.java:699)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:399)
	at java.base/java.util.concurrent.Executors$PrivilegedThreadFactory$1.run(Executors.java:699)
	at java.base/java.lang.Thread.run(Thread.java:833)

[hurricup]

https://camelcade.myjetbrains.com/youtrack/issue/CAMELCADE-14583/java.lang.AssertionError-at-com.perl5.lang.perl.idea.intentions.StringToLastHer