Support Forums: Make edit/close/spam links always visible for actionable users

[Ipstenu]

Right now if you want to edit your post in the forums, you have to hover over where the links are.

This is poor UX and makes discoverability hard for stressed users, who just want to edit, and thus they come to Slack to complain.

[vladytimy]

Explicit block display

[vladytimy]

Couldn't agree more. We got used with it being hidden, but users really need it to be visible.

[Clorith]

Makes perfect sense, and also eases the use on mobile devices where hover-states are more difficult to discover.

The approach from 6024.2.patch​ looks good to go, flagging for commit.

[Clorith]

In 12402:

Support Forums: Always show topic actions when available.

The actions that can be performed on a topic (such as closing, sticking, etc.) are mostly in the context of a single topic or reply, requiring a hover action to display them.

This change makes them more discoverable to those who can use actions by having them be always visible, while at the same time improves the user experience on mid-range touch-focused devices, such as tablets or more modern mobile devices, without any easy hover-states.

This also improves discoverability of actions plugin and theme-related users may have within a topic.

Props vladytimy.
Fixes #6024. See #5516.