Add config option gui.skipSwitchWorktreeOnCheckoutWarning

[stefanhaller]

Adds a config option that disables the confirmation for switching to a worktree when trying to check out a branch that is checked out in that other worktree.

Fixes #4938.

[codacy-production]

Coverage summary from Codacy

See diff coverage on Codacy

Coverage variation	Diff coverage
Report missing for d3fb22a1	✅ 100.00%

Coverage variation details

	Coverable lines	Covered lines	Coverage
Common ancestor commit (d3fb22a)	Report Missing	Report Missing	Report Missing
Head commit (80f860b)	58598	50989	87.01%

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 (#4964)	28	28	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

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