fix(flake): set resourceDir explicitly

Author: FliegendeWurst

flake.nix

@@ -197,6 +197,7 @@
               "''${gappsWrapperArgs[@]}" \
               --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--ozone-platform-hint=auto --enable-features=WaylandWindowDecorations --enable-wayland-ime=true}}" \
               --set-default ELECTRON_IS_DEV 0 \
+              --set TRILIUM_RESOURCE_DIR $out/opt/trilium \
               --add-flags $out/opt/trilium/main.cjs
           '';
         };