feat: Fixed delete for additional video url fields (sumac)#2471

vladislavkeblysh wants to merge 4 commits intoopenedx:open-release/sumac.masteropenedx/frontend-app-authoring:open-release/sumac.masterfrom

raccoongang:keblysh/feat/delete-button-sumac.masterraccoongang/frontend-app-course-authoring:keblysh/feat/delete-button-sumac.masterCopy head branch name to clipboard