Fix flatpak build and run issues

mih_ui/.dockerignore

@@ -0,0 +1,4 @@
+.dart_tool/
+.build/
+build/
+.pub-cache/

mih_ui/flatpak/za.co.mzansiinnovationhub.mih.yml

@@ -1,7 +1,7 @@
 id: za.co.mzansiinnovationhub.mih
-runtime: org.freedesktop.Platform
+runtime: org.gnome.Platform
-runtime-version: "25.08"
+runtime-version: "49"
-sdk: org.freedesktop.Sdk
+sdk: org.gnome.Sdk
 command: mzansi_innovation_hub
 
 finish-args:
@@ -10,6 +10,7 @@ finish-args:
   - --socket=fallback-x11
   - --socket=wayland
   - --device=dri
+  - --env=__EGL_VENDOR_LIBRARY_FILENAMES=/usr/lib/x86_64-linux-gnu/GL/glvnd/egl_vendor.d/50_mesa.json
 
 modules:
   - name: mzansi-innovation-hub