Fix employees toolbar responsiveness on small screens

Enable flex-wrap on .employees-toolbar so controls wrap properly on mobile, and adjust media query to avoid conflicting layout rules.

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

omsorgapp/src/style.css

@@ -705,6 +705,7 @@ button.omsorg-button--danger {
   display: flex;
   align-items: center;
   gap: 14px;
+  flex-wrap: wrap;
 }
 
 .employees-search {
@@ -1015,8 +1016,7 @@ button.omsorg-button--danger {
 }
 
 @media (max-width: 680px) {
-  .page-heading,
-  .employees-toolbar {
+  .page-heading {
     align-items: stretch;
     flex-direction: column;
   }