Clear stale aggregate sort in updatedGroupBy lifecycle hook

Move the sort reset from rowsQuery to updatedGroupBy so it fires
immediately when group by is cleared, preventing stale 'aggregate' or
'group_value' sort columns from reaching the base query.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: SimonBarrettACT

src/ReportBuilder.php

@@ -25,11 +25,6 @@ public function rowsQuery()
         $query = parent::rowsQuery();
 
         if (! $this->hasGroupBy()) {
-            if (in_array($this->sortBy, ['aggregate', 'group_value'], true)) {
-                $this->sortBy = '';
-                $query->reorder();
-            }
-
             return $query;
         }
 

src/Support/Concerns/WithReportBuilder.php

@@ -56,6 +56,11 @@ public function updatedSelectedColumns(): void
 
     public function updatedGroupBy(): void
     {
+        if (! $this->hasGroupBy() && in_array($this->sortBy, ['aggregate', 'group_value'], true)) {
+            $this->sortBy = '';
+            $this->sortDirection = 'asc';
+        }
+
         $this->resetPage();
         $this->displayColumns = $this->resolveColumns()->pluck('key')->toArray();
     }