Use client with the correct region

Don't assume that the region of each workspace that needs its timeout
extended is in the same region as the workspace for which the extension was
requested.

components/server/ee/src/workspace/gitpod-server-impl.ts

@@ -312,11 +312,12 @@ export class GitpodServerEEImpl extends GitpodServerImpl {
             (i) => i.workspaceId !== workspaceId && i.status.timeout !== defaultTimeout && i.status.phase === "running",
         );
         await Promise.all(
-            instancesWithReset.map((i) => {
+            instancesWithReset.map(async (i) => {
                 const req = new SetTimeoutRequest();
                 req.setId(i.id);
                 req.setDuration(this.userService.workspaceTimeoutToDuration(defaultTimeout));
 
+                const client = await this.workspaceManagerClientProvider.get(i.region);
                 return client.setTimeout(ctx, req);
             }),
         );