[Bug] Missing hash key: "videoId" (KeyError)

[Minecon724]

Describe the bug

If there's a post in the posts tab that links to a deleted video the error will happen

Steps to Reproduce

"posts" in channel UC1ucDz-ArDQglclXamHkl7g (has only one post linking a deleted video)

Logs

Title: Missing hash key: "videoId" (KeyError)
Date: 2025-03-30T08:54:56Z
Route: /channel/UC1ucDz-ArDQglclXamHkl7g/community
Version: 2025.03.29-97e1474 @ master

Backtrace

Missing hash key: "videoId" (KeyError)
  from /usr/share/crystal/src/hash.cr:1151:9 in '??'
  from /usr/share/crystal/src/json/any.cr:249:3 in 'process'
  from src/invidious/yt_backend/extractors.cr:991:17 in 'parse_item'
  from src/invidious/channels/community.cr:139:21 in 'extract_channel_community:ucid:locale:format:thin_mode'
  from src/invidious/routes/channels.cr:248:26 in 'community'
  from lib/kemal/src/kemal/route.cr:13:9 in '->'
  from src/invidious/helpers/handlers.cr:31:37 in 'call'
  from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next'
  from lib/kemal/src/kemal/filter_handler.cr:21:7 in 'call'
  from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next'
  from src/invidious/helpers/handlers.cr:95:12 in 'call'
  from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call_next'
  from src/ext/kemal_static_file_handler.cr:106:14 in 'call'
  from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /usr/share/crystal/src/http/server/handler.cr:30:7 in 'call'
  from /usr/share/crystal/src/http/server/request_processor.cr:51:11 in 'handle_client'
  from /usr/share/crystal/src/fiber.cr:143:11 in 'run'
  from ???

Screenshots

Additional context

[unixfox]

#4380