[wasm][debug] Fix GCMole issue in AddWasmTableObjectInternalProperties/2

An object got allocated as part of a parameter expression, which may
have caused GC issues.

R=bmeurer@chromium.org

Bug: chromium:1230041
Change-Id: I94537db7d0be5200049fbc6bd3eda0d49b6d7c17
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3038525Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75801}

src/debug/debug-wasm-objects.cc

@@ -1135,7 +1135,8 @@ Handle<ArrayList> AddWasmTableObjectInternalProperties(
   int length = table->current_length();
   Handle<FixedArray> entries = isolate->factory()->NewFixedArray(length);
   for (int i = 0; i < length; ++i) {
-    entries->set(i, *WasmTableObject::Get(isolate, table, i));
+    auto entry = WasmTableObject::Get(isolate, table, i);
+    entries->set(i, *entry);
   }
   Handle<JSArray> final_entries = isolate->factory()->NewJSArrayWithElements(
       entries, i::PACKED_ELEMENTS, length);