feat(BTable): add row-contextmenu event fixes #2238

feat(BTable): add row-middle-clicked event

refactor(BTable): combine duplicate emit definitions

…2245 (#2246)

…2249)

fix(BTable): cast formatted items to string fixes #2227

fix(BTable): busy slot behavior to match bootstrap-vue fixes #1636

feat(BDropdown)!: remove props center, dropend, dropstart, dropup, & end -- use single prop placement -- has same rules as popover. placement=top-start placement=bottom-start placement=right-start etc etc fixes #1752

feat(BTable): add emptyText and emptyFilteredText functionality fixes #664

feat(usePopoverController): create usePopoverController composable (not fully complete)

refactor(bvnPrefix): rename to withBvnPrefix

refactor(ConditonalWrapper): require skip prop

feat(BProgress)!: fix markup for BProgress to match bootstrap 5.3 recommended fixes #2221 . Manual intervention may not be needed, double check your aria markup (if manually configured), may be automatic

feat(PluginControllers): Allow for using the prop.id for the items key. Ie if you supply modalController.show({props: {id: 'foo' }}) You can reference it leave('foo')

fix(BDropdown): bdropdown when in button group has class btn-group fixes #2025

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