These fixes are all auto generated and can be merged directly
Fixes the following issues
1. Event used on components should be hypenated
2. Attribute orders in components
3. Use `unmounted` instead of `destroyed`
4. Add explicit `emits` declarations for components, autofixed [using
this
script](https://gist.github.com/scmmishra/6f549109b96400006bb69bbde392eddf)
We ignore the top level v-if for now, we will fix it later
