remove web extension kind

patch XMLHttpRequest and (partially) fetch to massage uris

Fix truncation of common suffixes that overlap with the common prefix.

`_isDocumentMetadataChangeTransient` currently seems to return true for every metadata object except `{ trusted: boolean }`. This causes all metadata updates to be considered transient, which means that the notebook is never marked dirty

This PR deletes the old function so that we use `triggerDirtyChange` to track when the document becomes dirty instead

Fix #131885

fix for #131396

fix the naming

This reverts commit 0b87133f.

Ensure that explicitly triggering inline completions re-requests inline completions with explicit context, even if there is already an inline completion session.

fix #131743 add menu separator only when adding 'Run to Line'

Incorrectly reverted part of an earlier fix

Fixes #127607

Part of #127607

Fixes #131156

Part of #131156