Fix build for Mac

.github/workflows/build_orca.yml

@@ -61,6 +61,8 @@ jobs:
         run: |
           if [ "$(uname)" = "Linux" ]; then
             pip3 install grpcio-tools
+          else
+            brew install protobuf
           fi
           python3 tools/run_codegen.py
         if: runner.os != 'Windows'
@@ -114,7 +116,7 @@ jobs:
         if: runner.os == 'macOS' && !inputs.macos-combine-only
         run: |
           if [ -z "${{ vars.SELF_HOSTED }}" ]; then
-            brew install libtool protobuf
+            brew install libtool
             brew list
           fi
           mkdir -p ${{ github.workspace }}/deps/build/${{ inputs.arch }}

scripts/flatpak/com.orcaslicer.OrcaSlicer.yml

@@ -326,6 +326,8 @@ modules:
   - name: OrcaSlicer
     buildsystem: simple
     build-commands:
+      - pip3 install grpcio-tools -q
+      - python3 tools/run_codegen.py
       - |
         cmake . -B build_flatpak \
           -DFLATPAK=ON \
@@ -375,6 +377,9 @@ modules:
       - type: dir
         path: ../../localization
         dest: localization
+      - type: dir
+        path: ../../tools
+        dest: tools
 
       - type: file
         path: ../../CMakeLists.txt