Fix custom option support in CMS + update providername in provided profile (#21183)

src/sql/workbench/services/connection/browser/cmsConnectionWidget.ts

@@ -74,6 +74,9 @@ export class CmsConnectionWidget extends ConnectionWidget {
 		// Login Options
 		this.addLoginOptions();
 
+		// Add Custom connection options
+		this.addCustomConnectionOptions();
+
 		// Connection Name
 		this.addConnectionNameOptions();