Updated File explorer to work with large data directories

https://www.notion.so/qim-dtu/Improvement-for-the-FileExplorer-f7e564c4f3d649f8b8922a397648880d?pvs=4

requirements.txt

 albumentations>=1.3.1,
-gradio>=4.15.0,
+gradio>=4.22.0,
 h5py>=3.9.0,
 localthickness>=0.1.2,
 matplotlib>=3.8.0,