Make sure we don't go into a redirect loop when using port mappings with same source and destination ports

For #82592

Fixes #81847

This cast was hiding a potential bug where extensionId was being used as a string

Removing these since strict null checking should catch the a compile time. If there are any places where undefined is getting incorrectly passed in, we'd like to know about these

Fixes #82128

Add tasks config in workspace file

Add tests and allow editing api for tasks

related to #72615

Confirm "Undo last commit" if its a merge commit

Part of #1435

Fix #78014 Added Capability to escape |, < and >in addition to & and ^