fix: S3 secondary storage client and UI fixes (#7587)

* fix storage selector broken

* Fix writeS3File not returning secondary storage

frontend/src/lib/components/S3FilePicker.svelte

@@ -122,7 +122,7 @@
 							(v) => {
 								if (v === storage) return
 								storage = v
-								s3FilePickerInner?.reloadContent()
+								s3FilePickerInner?.reloadContent?.()
 							}
 						}
 					/>

frontend/src/lib/components/S3FilePickerInner.svelte

@@ -443,7 +443,7 @@
 			: undefined
 	}
 
-	async function reloadContent() {
+	export async function reloadContent() {
 		if (initialFileKey !== undefined) {
 			initialFileKeyInternalCopy = { ...initialFileKey }
 		}

python-client/wmill/wmill/client.py

@@ -975,7 +975,7 @@ class Windmill:
             ).json()
         except Exception as e:
             raise Exception("Could not write file to S3") from e
-        return S3Object(s3=response["file_key"])
+        return S3Object(s3=response["file_key"], storage=s3object["storage"])
 
     def sign_s3_objects(self, s3_objects: list[S3Object | str]) -> list[S3Object]:
         """Sign S3 objects for use by anonymous users in public apps.

typescript-client/client.ts

@@ -961,6 +961,7 @@ export async function writeS3File(
   });
   return {
     s3: response.file_key,
+    ...(s3Obj?.storage && { storage: s3Obj?.storage }),
   };
 }
 
@@ -1047,7 +1048,10 @@ export async function getPresignedS3PublicUrl(
  *                  This allows pre-approvals that can be consumed by any later suspend step in the same flow.
  * @returns approval page UI URL, resume and cancel API URLs for resuming the flow
  */
-export async function getResumeUrls(approver?: string, flowLevel?: boolean): Promise<{
+export async function getResumeUrls(
+  approver?: string,
+  flowLevel?: boolean
+): Promise<{
   approvalPage: string;
   resume: string;
   cancel: string;