recent_topics: Refactor is_topic_hidden.
recent_topics: Refactor is_topic_hidden.

* We now only get info from other libraries when required.
* muted renamed to include_muted.
* function renamed to filters_should_hide_topic.

hackerkid/zulip,kou/zulip,hackerkid/zulip,eeshangarg/zulip,showell/zulip,brainwane/zulip,andersk/zulip,rht/zulip,zulip/zulip,shubhamdhama/zulip,timabbott/zulip,synicalsyntax/zulip,kou/zulip,andersk/zulip,hackerkid/zulip,kou/zulip,kou/zulip,rht/zulip,kou/zulip,punchagan/zulip,zulip/zulip,eeshangarg/zulip,rht/zulip,showell/zulip,hackerkid/zulip,shubhamdhama/zulip,brainwane/zulip,showell/zulip,shubhamdhama/zulip,hackerkid/zulip,brainwane/zulip,shubhamdhama/zulip,synicalsyntax/zulip,punchagan/zulip,andersk/zulip,synicalsyntax/zulip,synicalsyntax/zulip,showell/zulip,zulip/zulip,zulip/zulip,andersk/zulip,rht/zulip,andersk/zulip,brainwane/zulip,timabbott/zulip,showell/zulip,eeshangarg/zulip,eeshangarg/zulip,rht/zulip,rht/zulip,punchagan/zulip,zulip/zulip,shubhamdhama/zulip,brainwane/zulip,shubhamdhama/zulip,kou/zulip,punchagan/zulip,punchagan/zulip,synicalsyntax/zulip,eeshangarg/zulip,brainwane/zulip,synicalsyntax/zulip,showell/zulip,timabbott/zulip,synicalsyntax/zulip,andersk/zulip,hackerkid/zulip,andersk/zulip,zulip/zulip,rht/zulip,eeshangarg/zulip,showell/zulip,zulip/zulip,shubhamdhama/zulip,hackerkid/zulip,timabbott/zulip,brainwane/zulip,punchagan/zulip,timabbott/zulip,timabbott/zulip,kou/zulip,eeshangarg/zulip,punchagan/zulip,timabbott/zulip