I’m guessing that has to do with how you have your cameras added to home assistant. If you use an iframe it should be the same as just using this directly.
- camera_view: auto
type: picture-glance
title: null
entities:
- entity: input_select.tts_door_text_selection
- entity: input_text.tts_door_text
- entity: lock.front_door
camera_image: camera.front_door_main
hold_action:
action: fire-dom-event
browser_mod:
service: browser_mod.popup
data:
title: frontdoor_main Live
size: wide
content:
type: iframe
url: /go2rtc/webrtc.html?src=frontdoor_main
aspect_ratio: 75%