support for connect with connection string (#19355)

* wip

* WIP

* radio button

* handle connection string

* fix test

* fix test

* fix test cases

* remember password

* pr comments

* pr comments

src/sql/workbench/contrib/connection/browser/connection.contribution.ts

@@ -193,11 +193,6 @@ configurationRegistry.registerConfiguration({
 			'description': localize('sql.defaultEngineDescription', "Default SQL Engine to use. This drives default language provider in .sql files and the default to use when creating a new connection."),
 			'default': 'MSSQL'
 		},
-		'connection.parseClipboardForConnectionString': {
-			'type': 'boolean',
-			'default': true,
-			'description': localize('connection.parseClipboardForConnectionStringDescription', "Attempt to parse the contents of the clipboard when the connection dialog is opened or a paste is performed.")
-		},
 		'connection.showUnsupportedServerVersionWarning': {
 			'type': 'boolean',
 			'default': true,