Prefix all size_t with std::

done automatically by executing regex replace `([^:0-9a-zA-Z_])size_t([^0-9a-zA-Z_])` -> `$1std::size_t$2`

src/core/movie.h

@@ -120,6 +120,6 @@ private:
     std::string record_movie_file;
     std::vector<u8> recorded_input;
     std::function<void()> playback_completion_callback;
-    size_t current_byte = 0;
+    std::size_t current_byte = 0;
 };
 } // namespace Core