Merge branch 'v3.8.8' of https://github.com/1-newbie/cocos-engine into v3.8.8

Author: 1-newbie

native/cocos/platform/openharmony/FileUtils-OpenHarmony.cpp

@@ -188,6 +188,15 @@ long FileUtilsOpenHarmony::getFileSize(const std::string &filepath) {
         return 0;
     }
 
+    if (fullPath[0] == '/') {
+        struct stat info;
+        int result = stat(fullPath.c_str(), &info);
+        if (result != 0) {
+            return -1;
+        }
+        return static_cast<long>(info.st_size);
+    }
+
     long filesize = 0;
     RawFile64 *rawFile = OH_ResourceManager_OpenRawFile64(_nativeResourceManager, fullPath.c_str());
     if (rawFile) {