fix(BModal): prevent focus trap error when no tabbable elements exist#2864

VividLemon merged 3 commits intomainbootstrap-vue-next/bootstrap-vue-next:mainfrom

copilot/fix-86a45b23-e57d-4421-b0a6-3681c3676254bootstrap-vue-next/bootstrap-vue-next:copilot/fix-86a45b23-e57d-4421-b0a6-3681c3676254Copy head branch name to clipboard