* bumping version * build(core): bumping vue version - Bumping up vue version from ^3.0.0 to ^3.0.3 due to the change of `emitOptions` * Remove transition mock/Add before-enter and before-leave hook emitter for popper
* feat(message-box): migrate MessageBox * refactor(message-box): import sleep from test-utils * refactor(message-box): optimize props * refactor(message-box): optimize message-box * refactor(message-box): optimize message-box * refactor(message-box): optimize message-box * refactor(message-box): remove `removeClass` & `addClass` * refactor(message-box): replace 'HTMLElement' with 'HTMLButtonElement' * refactor(message-box): review optimize * refactor(message-box): __test__ optimize * refactor(message-box): replace addEvent with on and off * refactor(message-box): remove doc * feat(message-box): jest add @babel/plugin-proposal-class-properties Co-authored-by: YuLinXi <yumengyuan@klicen.com>