fix: replace remaining QList::append({}) in plugins and tests

Missed plugin and test directories in the previous Qt 6.8 compat fix.

plugins/RemoteProcessMemory/RemoteProcessMemoryPlugin.cpp

@@ -244,7 +244,7 @@ struct IpcClient {
                 reinterpret_cast<const char*>(data + entry->nameOffset),
                 (int)entry->nameLength);
 #endif
-            result.append({modName, entry->base, entry->size});
+            result.push_back(RemoteProcessProvider::ModuleInfo{modName, entry->base, entry->size});
         }
         return result;
     }