CSS work

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

frontend/src/Components/UserSelector.svelte

@@ -8,7 +8,7 @@
     let error = $state(null);
     let {
         getCandidates = async text => {},
-        heading       = t('add_user'),
+        heading       = t('add_object',{object:t('user')}),
         users         = $bindable({})
     } = $props();