Fix unecessary non-null assertion

Author: simolus3

.github/workflows/test-simulators.yaml

@@ -141,7 +141,8 @@ jobs:
       - name: Set up XCode
         uses: maxim-lobanov/setup-xcode@v1
         with:
-          xcode-version: latest-stable
+          # TODO: Update to latest-stable once GitHub has simulators compatible with XCode 26
+          xcode-version: '^16.4.0'
 
       - name: CocoaPods Cache
         uses: actions/cache@v3

packages/common/src/client/sync/stream/core-instruction.ts

@@ -74,7 +74,7 @@ function priorityToJs(status: SyncPriorityStatus): sync_status.SyncPriorityStatu
   return {
     priority: status.priority,
     hasSynced: status.has_synced ?? undefined,
-    lastSyncedAt: status?.last_synced_at != null ? new Date(status!.last_synced_at! * 1000) : undefined
+    lastSyncedAt: status?.last_synced_at != null ? new Date(status.last_synced_at * 1000) : undefined
   };
 }