This fixes issues around multi-queries, where each segment has  a prefix match.

Support for .jenkinsfile extension and Jenkinsfile.* filename pattern

Fix #105320

- webview outputs are not "hasDynamicHeight"
- The "else if" condition got flipped around in the last change

Support \U\u\L\l replace modifiers in global search/replace (see PR #96128)

This reverts commit 4e96ceff.

- RHS of `in` expression is not a value, so don't deserialize it like a value
- avoid unnecessary undefined check
- use `hasOwnProperty` for object case
- keys() should include the RHS of `in` expression

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