Opening `pde://` link on Windows 10 causes unexpected behavior

[SableRaf]

Most appropriate sub-area of Processing 4?

PDE

Processing version

4.4.1

Operating system

Windows 10

Steps to reproduce this

0. Install Processing 4.4.1 with the .msi installer.
1. Paste the pde:// link below in Chrome and press Enter.
2. Click "Open Processing" and wait for Processing to start.
3. Notice that the PDE shows visual glitches and errors in the console.

snippet

pde: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?pde=

Additional context

Exception in thread "AWT-EventQueue-0" java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 0
	at processing.app.ui.EditorHeader.paintComponent(EditorHeader.java:238)
	at java.desktop/javax.swing.JComponent.paint(Unknown Source)
	at java.desktop/javax.swing.JComponent.paintChildren(Unknown Source)
	at java.desktop/javax.swing.JComponent.paint(Unknown Source)
	at java.desktop/javax.swing.JComponent.paintChildren(Unknown Source)
	at java.desktop/javax.swing.JSplitPane.paintChildren(Unknown Source)
	at java.desktop/javax.swing.JComponent.paint(Unknown Source)
	at java.desktop/javax.swing.JComponent.paintToOffscreen(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBufferedImpl(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$PaintManager.paint(Unknown Source)
	at java.desktop/javax.swing.RepaintManager.paint(Unknown Source)
	at java.desktop/javax.swing.JComponent._paintImmediately(Unknown Source)
	at java.desktop/javax.swing.JComponent.paintImmediately(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$4.run(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$4.run(Unknown Source)
	at java.base/java.security.AccessController.doPrivileged(Unknown Source)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
	at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
	at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(Unknown Source)
	at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(Unknown Source)
	at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
	at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
	at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
	at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
	at java.base/java.security.AccessController.doPrivileged(Unknown Source)
	at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
	at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
	at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)

Would you like to work on the issue?

Maybe, with some guidance. But also happy to leave it to another contributor.