Merge pull request #34130 from openedx/iahmad/ENT-8117

feat: Added XblockMixin for skill tagging

lms/envs/common.py

@@ -68,6 +68,10 @@ from openedx.core.djangoapps.theming.helpers_dirs import (
 from openedx.core.lib.derived import derived, derived_collection_entry
 from openedx.core.release import doc_version
 from lms.djangoapps.lms_xblock.mixin import LmsBlockMixin
+try:
+    from skill_tagging.skill_tagging_mixin import SkillTaggingMixin
+except ImportError:
+    SkillTaggingMixin = None
 
 ################################### FEATURES ###################################
 # .. setting_name: PLATFORM_NAME
@@ -1633,6 +1637,8 @@ from xmodule.x_module import XModuleMixin  # lint-amnesty, pylint: disable=wrong
 # This should be moved into an XBlock Runtime/Application object
 # once the responsibility of XBlock creation is moved out of modulestore - cpennington
 XBLOCK_MIXINS = (LmsBlockMixin, InheritanceMixin, XModuleMixin, EditInfoMixin)
+if SkillTaggingMixin:
+    XBLOCK_MIXINS += (SkillTaggingMixin,)
 XBLOCK_EXTRA_MIXINS = ()
 
 # .. setting_name: XBLOCK_FIELD_DATA_WRAPPERS