Linux build fixes:
- Fixed FileNotFoundError on startup - App now creates ~/.flet/bin directory before Flet initialization (#127)
- Fixed "Read-only file system" error on Flatpak - Added --filesystem=~/.flet:create permission to allow Flet directory creation within the sandbox (#122)
- Fixed "Scan Failed" error - Resolved issue where malformed config data caused argument should be a str or an os.PathLike object.
Added strict type validation to path deserialization (#126). - Fixed GTK/SVG icon loading failures on Nobara 43 - Excluded system C++ libraries (libstdc++, libgcc_s) from PyInstaller bundle to prevent CXXABI_1.3.15 version conflicts with Flatpak runtime libraries (#128).
Full Changelog: V3.5.3...V3.5.4