Limit popup panel widths to a maximum width

[stefanhaller]

On very large screens they would get ridiculously wide.

The limits we chose here are a little arbitrary:

• 80 for confirmations and prompts
• 90 for menus
• auto-wrap width plus 25 for the commit message editor (or 100 if auto-wrap is off)

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
Report missing for 4c731ab1	✅ 100.00%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (4c731ab)	Report Missing	Report Missing	Report Missing
Head commit (1ede4e6)	59482	51812	87.11%

Coverage variation is the difference between the coverage for the head and common ancestor commits of the pull request branch: <coverage of head commit> - <coverage of common ancestor commit>

Diff coverage details

	Coverable lines	Covered lines	Diff coverage
Pull request (#5231)	13	13	100.00%

Diff coverage is the percentage of lines that are covered by tests out of the coverable lines that the pull request added or modified: <covered lines added or modified>/<coverable lines added or modified> * 100%

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Footnotes

1. Codacy didn't receive coverage data for the commit, or there was an error processing the received data. Check your integration for errors and validate that your coverage setup is correct. ↩

[IdrisGit]

@stefanhaller Thank you for your help :)