v6.19.0-TEST_B1708291

Fixed some Mediafire cloud issues.
Fixed some issues for Encfs on clouds.
Fixed and improved text editor to load and search within the large files.
Added line break options in text editor > save as.
Added Find menu option in Html viewer (An alternative for loading large text files and searching words).
Optimized image viewer.
Added long-press to select images in image viewer to delete them later.
Improved the Archive addon. Added PPMd, Deflate, Deflate64, BZip2, Zstandard, Brotli, LZ4, LZ5, Lizard as 7z methods. Also packing and unpacking Lizard, LZ4, LZ5, Zstandard.
Added highlighting the visited folders and the option in settings > more settings.
Added broadcast receiver for Copy operation:
Action: com.mixplorer.ACTION_COPY
Extras: src, dst, mode (OVERWRITE or SKIP or KEEP_BOTH).
Package: com.mixplorer
Class: com.mixplorer.BroadcastReceiver
Target: Broadcast Receiver
Fixed some o