fix issue with directory "oversearch" causing an error with pinned rows (#2134)

Author: sawka

frontend/app/element/errorboundary.tsx

@@ -13,6 +13,7 @@ export class ErrorBoundary extends React.Component<
     }
 
     componentDidCatch(error: Error, errorInfo: React.ErrorInfo) {
+        console.log("ErrorBoundary caught an error:", error, errorInfo);
         this.setState({ error: error });
     }
 

frontend/app/view/preview/directorypreview.tsx

@@ -385,12 +385,20 @@ function DirectoryTable({
 
     useLayoutEffect(() => {
         const rows = table.getRowModel()?.flatRows;
+        let foundParentDir = false;
+        
         for (const row of rows) {
             if (row.getValue("name") == "..") {
                 row.pin("top");
-                return;
+                foundParentDir = true;
+                break;
             }
         }
+        
+        // If we didn't find the ".." row, reset the pinning to avoid stale references
+        if (!foundParentDir) {
+            table.resetRowPinning();
+        }
     }, [table, data]);
     const columnSizeVars = useMemo(() => {
         const headers = table.getFlatHeaders();