Fix form builder when is used in system (#104)

* Fix nil errors in form builder when is system

* Refactor with alias method

* Rubocopify and update upload artifact

* Upload actions

* Install Imagemagick in github actions

* Refactor returns

* Rubocopify

Author: laurajaime

.github/workflows/test_integration.yml

@@ -65,7 +65,7 @@ jobs:
 
       - run: tar -zcf /tmp/testapp-env.tar.gz ./spec/decidim_dummy_app
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
           name: workspace
           path: /tmp/testapp-env.tar.gz
@@ -120,8 +120,11 @@ jobs:
         with:
           ruby-version: ${{ env.RUBY_VERSION }}
           bundler-cache: true
+      
+      - name: Install imagemagick
+        run: sudo apt install -y imagemagick
 
-      - uses: actions/download-artifact@v3
+      - uses: actions/download-artifact@v4
         with:
           name: workspace
           path: /tmp
@@ -140,7 +143,7 @@ jobs:
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
 
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         if: always()
         with:
           name: screenshots-${{ matrix.name }}

app/forms/concerns/decidim/reporting_proposals/form_builder_override.rb

@@ -10,8 +10,11 @@ module FormBuilderOverride
       delegate :asset_pack_path, to: :@template
 
       included do
+        alias_method :original_file_field, :file_field
+
         def file_field(object_name, options = {})
-          return super(object_name, options) unless Decidim::ReportingProposals.use_camera_button
+          return original_file_field(object_name, options) unless Decidim::ReportingProposals.use_camera_button
+          return original_file_field(object_name, options) unless @template.respond_to?(:snippets)
 
           unless @template.snippets.any?(:reporting_proposals_camera_scripts) || @template.snippets.any?(:reporting_proposals_camera_styles)
             @template.snippets.add(:reporting_proposals_camera_scripts, @template.prepend_javascript_pack_tag("decidim_reporting_proposals_camera"))