Merge remote-tracking branch 'origin/v3' into pr-6401-resolve

# Conflicts:
#	app/startup/modules_initializer.py
#	tests/test_configuration_ports.py

scripts/perf/moviepilot_docker_ab.py

@@ -107,7 +107,7 @@ FROM ${MP_SUBSTRATE} AS frozen
 RUN set -eux; \
     mkdir -p /frozen/plugins /frozen/site; \
     cp -a /app/app/plugins/. /frozen/plugins/; \
-    rm -f /frozen/plugins/__init__.py; \
+    test -f /frozen/plugins/__init__.py; \
     rm -rf /frozen/plugins/__pycache__; \
     find /app/app/application/site -maxdepth 1 -type f \
       \( -name 'sites.*.so' -o -name 'user.sites.v3.bin' \) \