Emmet commands will no longer appear in non-editor contexts.

* Adding Emmet preference for changing fuzzySearchMinScore

* Changing name and description of the new setting.

* Updating version of vscode-emmet-helper

* Adding Emmet preference for changing fuzzySearchMinScore

* Changing name and description of the new setting.

* Updating version of vscode-emmet-helper

* Allow css emmet completions when abbr contains period Fixes #44352

* Move css related workaround to cssMode #44352

* getEmbeddedParsedDocument is now not needed

* Show emmet completions everywhere inside the embedded css doc

This reverts commit 31f3a215.

* Fixing trailing spaces in expansion

* Emmet - Fixing extra spaces when wrapping with abbreviation

* Avoid fetching tag if there's no need to ezpand again

* Replacing several 'indexof's with regexp

* Making regexp for tagname stricter. Removing unnecessary check.

* Removing extra call to expand.

* tiny changes

* tinitiny changes

* Get emmet completions from html,css extensions

* Resolve extensionsPath, use emmet results even if empty

* Support css abbr with :

* Refactoring

* Add some basic emmet tests

* Refactoring

* More tests