* Relax Language First Line Match

Fixes #21533

**Bug**
The first line pattern for a language currently requires the entire line to match. This does is different from how tools such as textmate use firstLineMatch

**Fix**
Relax this restriction so that any match is used

* Fix failing test

- Use uuids along with names to sync with gallery until market place team fixes the query issue

- Adopt dependencies in gallery to be case insensitive
- Adopt dependencies in local to be case insensitive

- In Extension description in Extension host
- In Extension enablement service
- Rename identifier to id in IExtension

- Adopt to gallery extension id (lowercase) while scanning local extensions in Extension management and Extension host

Fixes #21226

This brings in terminal link validation

Part of #21226

Switch Objective-C Builtin Extension to Use the Atom Objective-C Grammar

add --prof-startup flag

Fixes Microsoft/monaco-editor#387: Cannot change diff editor to a custom theme based on high contrast

Fixes Microsoft/monaco-editor#386: Shortcuts for actions added via editor.addAction don't show up in the Command Palette

Refactor to use Promise