[Glitch] Add option to not consider word boundaries when processing keyword filtering
[Glitch] Add option to not consider word boundaries when processing keyword filtering

Port 1ca4e51eb38de6de81cedf3ddcdaa626f1d1c569 to glitch-soc

Kirishima21/mastodon,Kirishima21/mastodon,Kirishima21/mastodon,glitch-soc/mastodon,glitch-soc/mastodon,im-in-space/mastodon,im-in-space/mastodon,im-in-space/mastodon,glitch-soc/mastodon,Kirishima21/mastodon,glitch-soc/mastodon,im-in-space/mastodon