[BD-04] Create CustomTagTemplateBlock, convert TranslateCustomTagDescriptor to XBlock and remove RawDescriptor#26973

ormsbee merged 4 commits intoopenedx:masteropenedx/openedx-platform:masterfrom

open-craft:symbolist/convert-to-xblockopen-craft/openedx-platform:symbolist/convert-to-xblockCopy head branch name to clipboard