feat: add dropdown field with dynamic data in flow

packages/web/src/graphql/queries/get-apps.ts

@@ -78,6 +78,14 @@ export const GET_APPS = gql`
             required
             description
             variables
+            source {
+              type
+              name
+              arguments {
+                name
+                value
+              }
+            }
           }
         }
       }

packages/web/src/graphql/queries/get-data.ts

@@ -0,0 +1,7 @@
+import { gql } from '@apollo/client';
+
+export const GET_DATA = gql`
+  query GetData($stepId: String!, $key: String!) {
+    getData(stepId: $stepId, key: $key)
+  }
+`;