fix(lifecycle): updated should not be called after component being de…

[sodatea]

…stroyed, fix #8076

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• Bugfix
• Feature
• Code style update
• Refactor
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• Yes
• No

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[therealpecus]

I hate to bring bad news, but the fix only triggers the update part of the lifecycle, leaving beforeUpdate still being invoked after the component is destroyed.

it might be enough to add

      if (vm._isMounted && !vm._isDestroyed) {
        callHook(vm, 'beforeUpdate')
      }

in https://github.com/vuejs/vue/blob/dev/src/core/instance/lifecycle.js#L199