Add error reporting to the daemon web UI

This error reporting comes in two forms:
- Errors updating the UI
- Errors with user actions

The former is displayed as one error until a refresh succeeds again. The
latter creates an number of persistent errors until they are cleared by
the user.

daemon/web/src/lib/components/DeleteAllButton.svelte

@@ -7,5 +7,6 @@
         text="Delete ALL Recordings"
         prompt={`Are you sure you want to delete ALL recordings?`}
         url={`/api/delete-all-recordings`}
+        name="all recodings"
     />
 </div>