Fixed issue where batch removing access policies was only allowed for "core" policies (instead of preventing deletion for core policies)
Replace security/forms/set/export processor with a class based one and fix #12021
Fixed issue where batch removing access policies was only allowed for "core" policies (instead of preventing deletion for core policies)

* origin/pr/12022:
  Fixed issue where batch removing access policies was only allowed for "core" policies (instead of preventing deletion for core policies)
Fix forced fetching of optional template name
Replace security/forms/set/export processor with a class based one and fix

* origin/pr/12023:
  Fix forced fetching of optional template name
  Replace security/forms/set/export processor with a class based one and fix #12021