Add back docker push conditions to build action

.github/workflows/build.yml

@@ -79,14 +79,17 @@ jobs:
           docker buildx build --output "type=image,push=false" ${{ steps.prepare.outputs.buildx_args }}
 
       - name: Docker Login
+        if: success() && github.event_name != 'pull_request' && github.repository == 'photoview/photoview'
         run: |
           echo "${DOCKER_PASSWORD}" | docker login --username "${{ steps.prepare.outputs.docker_username }}" --password-stdin
 
       - name: Push to Docker Hub
+        if: success() && github.event_name != 'pull_request' && github.repository == 'photoview/photoview'
         run: |
           docker buildx build --output "type=image,push=true" ${{ steps.prepare.outputs.buildx_args }}
 
       - name: Clear
+        if: always() && github.event_name != 'pull_request' && github.repository == 'photoview/photoview'
         run: |
           rm -f ${HOME}/.docker/config.json