Bug 1823376 - Return early after calling launchWithURI without prompt. r=Gijs

Differential Revision: https://phabricator.services.mozilla.com/D172997

toolkit/mozapps/handling/ContentDispatchChooser.sys.mjs

@@ -74,6 +74,7 @@ export class nsContentDispatchChooser {
     ) {
       try {
         aHandler.launchWithURI(aURI, aBrowsingContext);
+        return;
       } catch (error) {
         // We are not supposed to ask, but when file not found the user most likely
         // uninstalled the application which handles the uri so we will continue