topic muting: Show feedback widget only if hotkey (`M`) is used.
topic muting: Show feedback widget only if hotkey (`M`) is used.

We are restricting the feedback widget (confirmation pop-up)
to be visible to the users if they have muted the topic using
the hotkey: `M`, because if the users have muted the topic in
some other way then it is known to them about their activity.
In fact, the confirmation pop-up was intrusive to some users
(see #2367).

While using the hotkey they can unknowingly mute the topic. Hence, in
such a case, it is necessary to acknowledge the users about their
action.

andersk/zulip,andersk/zulip,rht/zulip,eeshangarg/zulip,rht/zulip,zulip/zulip,hackerkid/zulip,zulip/zulip,eeshangarg/zulip,eeshangarg/zulip,hackerkid/zulip,eeshangarg/zulip,andersk/zulip,rht/zulip,zulip/zulip,eeshangarg/zulip,zulip/zulip,hackerkid/zulip,punchagan/zulip,andersk/zulip,andersk/zulip,rht/zulip,hackerkid/zulip,andersk/zulip,punchagan/zulip,kou/zulip,zulip/zulip,kou/zulip,andersk/zulip,rht/zulip,rht/zulip,hackerkid/zulip,kou/zulip,hackerkid/zulip,punchagan/zulip,punchagan/zulip,kou/zulip,punchagan/zulip,zulip/zulip,eeshangarg/zulip,punchagan/zulip,rht/zulip,kou/zulip,hackerkid/zulip,kou/zulip,punchagan/zulip,zulip/zulip,eeshangarg/zulip,kou/zulip