defaulted order by to first name on patients

app/Http/Controllers/AdminController.php

@@ -191,8 +191,8 @@ class AdminController extends Controller
             }
         }
 
-        $sortBy = $request->input('sort_by') ?: 'created_at';
-        $sortDir = $request->input('sort_dir') ?: 'DESC';
+        $sortBy = $request->input('sort_by') ?: 'name_first';
+        $sortDir = $request->input('sort_dir') ?: 'ASC';
 
         $sortBySQL = "$sortBy $sortDir NULLS LAST";