Added in auto-install prompt for Azure CLI and arcdata extension, "Don't Ask Again" logic, removed waiting on azcli extension activate (#16646)

* Added back Don't Ask Again logic

* If no Azure CLI found, throw error instead of returning undefined.

* Deleted 'restart ADS' text for arcdata extension prompts

* Added error catch for parse version and parsed out the * in az --version

* Added back findAz()

* Added arcdata version to AzTool. Parse --version using regex.

* Return undefined if no az found.

* Added userRequested param for findAz

* No longer await on extension activate. Re-added some functions for az install.

* Install works for windows

* Changed auto install for az on Linux and MacOS.

* Added comment for findSpecificAzAndArc and uncommented some localizedConstants

* Added comment for getSemVersionArc and took out the path for some tests.

* Made findSpecificAzAndArc return an object instead of a list

* Removed azToolService test

* Removed azToolService tests and renamed suite to azcli Extension Tests

* Got rid of new Regexp for regex in parseVersions

* Added back azToolService.ts

* Added logic to enable prompt user to install arcdata extension and auto-install capability. No update capability yet.

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

extensions/azcli/src/test/index.ts

@@ -6,7 +6,7 @@
 import * as path from 'path';
 const testRunner = require('vscodetestcover');
 
-const suite = 'azdata Extension Tests';
+const suite = 'azcli Extension Tests';
 
 const mochaOptions: any = {
 	ui: 'bdd',