* allow user to search through their watch history
* add tests for search in watch history
* Update client/src/app/shared/shared-main/users/user-history.service.ts
* add ability to remove one's avatar for account and channels
* add ability to remove one's avatar for account and channels
* only display avatar edition options after input change
* Select first available channel when accepting ownership change
Implements https://github.com/Chocobozzz/PeerTube/issues/2240
* Made use of #patchValue() to set the default selected value
And removed the disabled state for the Accept button
Rigel Kent
Florian CUNY
Chocobozzz
kimsible