add personal room name input field and link copy field to create and edit meeting forms

Emre Neumannrequested to merge
e.neumann/web-app:3412-cover-personal-meeting-rooms into main

The create and edit meeting forms now contain a new option to create personal room names

This includes a new checkbox and an input field to input a room name as well as a new copy link field that contains the generated personal room link

Closes #3412 (closed)

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