Clicking on a dropdown option now closes it everywhere

ref #84 #89

src/components/teams/TeamDetail.svelte

@@ -84,6 +84,7 @@
     }
   }
   async function generateSponsoringContract(locale) {
+    sponsoring_contracts_download_open = false;
     const runners = await RunnerTeamService.runnerTeamControllerGetRunners(
       teamdata.id
     );