When the [bug report] window is scaled, select multiple options and select multiple contents, jitter will appear #21142
Description
Element UI version
2.15.3
OS/Browsers version
Mac
Vue version
2.6.14
Reproduction Link
Steps to reproduce
窗口缩小90%，然后select选中多个选项时 会触发其抖动
What is Expected?
将抖动给消除
What is actually happening?
持续抖动