[Impeller] added missing golden test for DrawScaledTextWithPerspectiveSaveLayer

[gaaclarke]

related:

• https://github.com/flutter/flutter/issues/130633
• https://github.com/flutter/engine/pull/51343

Pre-launch Checklist

• [x] I read the Contributor Guide and followed the process outlined there for submitting PRs.
• [x] I read the Tree Hygiene wiki page, which explains my responsibilities.
• [x] I read and followed the Flutter Style Guide and the C++, Objective-C, Java style guides.
• [x] I listed at least one issue that this PR fixes in the description above.
• [x] I added new tests to check the change I am making or feature I am adding, or the PR is test-exempt. See testing the engine for instructions on writing and running engine tests.
• [x] I updated/added relevant documentation (doc comments with ///).
• [x] I signed the CLA.
• [x] All existing and new tests are passing.

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Changes reported for pull request #51368 at sha cf1907b2d339ebfc3dd9e5400cd2f94879a0f44f