feat(files): launch MP3 player from file explorer, 28p header cache

- SupportedFiles: isSupportedAudioFile (.mp3/.wav/.ogg/.flac)
- View::viewFile: audio files start one.tactility.mp3player with
  file=<path> argv (CurrentAppCompat parses key=value pairs)
- es3c28p: add CONFIG_LV_IMAGE_HEADER_CACHE_DEF_CNT=16 for parity
  with es3c35p

Tactility/Source/app/files/SupportedFiles.cpp

@@ -26,4 +26,12 @@ bool isSupportedTextFile(const std::string& filename) {
         filename_lower.ends_with(".properties");
 }
 
+bool isSupportedAudioFile(const std::string& filename) {
+    std::string filename_lower = string::lowercase(filename);
+    return filename_lower.ends_with(".mp3") ||
+        filename_lower.ends_with(".wav") ||
+        filename_lower.ends_with(".ogg") ||
+        filename_lower.ends_with(".flac");
+}
+
 } // namespace tt::app::filebrowser