[Text] Fix infinite loop hang on selection of bidi text

[Mikolaytis]

What does the pull request do?

Fixed infinite loop hand when selecting specific bidi text with different text style parameters. Found by our QA.

What is the current behavior?

Infinite loop hang. I've added unit test - comment my 3-line fix and run it. it will run forever

What is the updated/expected behavior with this PR?

this case is handled

[Mikolaytis]

Hi @Gillibald, check this out!

[cla-avalonia]

• All contributors have signed the CLA.

[Mikolaytis]

@cla-avalonia agree

[avaloniaui-bot]

You can test this PR using the following package version. 11.2.999-cibuild0050095-alpha. (feed url: https://nuget-feed-all.avaloniaui.net/v3/index.json) [PRBUILDID]

[Gillibald]

What was happening here { GlyphRun.InkBounds.Width: < 0.1f }
Why are you using InkBounds?

Will have a detailed look shortly

[Gillibald]

I think the general issue that needs to be fixes is that the coveredLength is zero

[Mikolaytis]

Just thrown first random fix I've found. Please use my unit test and provide your own well-thought fix. Thanks!

[avaloniaui-bot]

You can test this PR using the following package version. 11.2.999-cibuild0050107-alpha. (feed url: https://nuget-feed-all.avaloniaui.net/v3/index.json) [PRBUILDID]

[avaloniaui-bot]

You can test this PR using the following package version. 11.2.999-cibuild0050109-alpha. (feed url: https://nuget-feed-all.avaloniaui.net/v3/index.json) [PRBUILDID]

[avaloniaui-bot]

You can test this PR using the following package version. 11.2.999-cibuild0050437-alpha. (feed url: https://nuget-feed-all.avaloniaui.net/v3/index.json) [PRBUILDID]

[avaloniaui-bot]

You can test this PR using the following package version. 11.2.999-cibuild0050442-alpha. (feed url: https://nuget-feed-all.avaloniaui.net/v3/index.json) [PRBUILDID]