fix: Bulk approve was always a merge (#363)

closes Visual-Regression-Tracker/Visual-Regression-Tracker#437

Author: pashidlos

src/components/TestRunList/BulkOperation.tsx

@@ -47,10 +47,7 @@ export const BulkOperation: React.FunctionComponent = () => {
   );
 
   const isMerge: boolean = React.useMemo(
-    () =>
-      !!rows.find((row: GridRowModel) =>
-        selectedIds.includes(row.id.toString()),
-      ),
+    () => !!rows.find((row: GridRowModel) => selectedIds.includes(row.id.toString()))?.model.merge,
     [selectedIds, rows],
   );
 
@@ -271,9 +268,7 @@ export const BulkOperation: React.FunctionComponent = () => {
         onCancel={dismissDialog}
         content={
           <Typography>
-            {`Are you sure you want to ${submitButtonText().toLowerCase()} ${
-              selectedRows.length
-            } items?`}
+            {`Are you sure you want to ${submitButtonText().toLowerCase()} ${selectedRows.length} items?`}
           </Typography>
         }
         onSubmit={() => {