Added azcli extension only (#16415)

* Changed azdata to az in azcli extension and resource-deployment, and some arc. Removed user, pass, url from controller connect blade. Commented out tests. Ported over work from old branch.

* Changed unit tests, all unit tests passing. Changed parameters to new ones, fixed some Controller Connect issues.

* Connect data controller and create dc working.

* Changed az back to azdata in necessary places in resource-deployment.

* Changed notebook values and added namespace to some params.

* Reverted all changes that are not in azcli. Also deleted some unused variables in azcli constants.ts and some tests.

* Fixed package.json

* Deleted en-us from links, changed az. to azcli.arc in package.json

* Addressed PR comments.

Co-authored-by: Candice Ye <canye@microsoft.com>

scripts/test-extensions-unit.js

@@ -13,6 +13,7 @@ const extensionList = [
 	'admin-tool-ext-win',
 	'agent',
 	'arc',
+	'azcli',
 	'azdata',
 	'azurecore',
 	'cms',