feat: Implement get app connections API endpoint

packages/backend/src/helpers/authorization.js

@@ -35,6 +35,10 @@ const authorizationList = {
     action: 'read',
     subject: 'Flow',
   },
+  'GET /api/v1/apps/:appKey/connections': {
+    action: 'read',
+    subject: 'Connection',
+  },
   'GET /api/v1/executions/:executionId': {
     action: 'read',
     subject: 'Execution',

packages/backend/src/helpers/error-handler.js

@@ -37,7 +37,7 @@ const errorHandler = (error, request, response, next) => {
 
 const notFoundAppError = (error) => {
   return (
-    error.message.includes('An application with the') ||
+    error.message.includes('An application with the') &&
     error.message.includes("key couldn't be found.")
   );
 };