Allow data explorer to use connect (#5564)

* wip

* handle save password; get correct profile

* ensure resolve is being called

* fix tests

* fix more tests

src/sql/platform/connection/common/connectionStore.ts

@@ -124,6 +124,10 @@ export class ConnectionStore {
 			});
 	}
 
+	public savePassword(profile: IConnectionProfile): Promise<boolean> {
+		return this.saveProfilePasswordIfNeeded(profile);
+	}
+
 	/**
 	 * Saves a connection profile group to the user settings.
 	 *