v-cloak reappears on an element toggled with v-if

[Fry98]

When an element is unmounted and mounted back into the DOM (for example using v-if), the v-cloak attribute is put back on it and never gets removed. Tested this with regular Vue as well and it's not an issue there.

Example:
https://codesandbox.io/embed/naughty-lehmann-el5lf

[Fry98]

Already fixed in the latest release