Feat: enhance time_ago_tooltip for reusing

What does this MR do and why?

Right now, lots of code use the same way to render time component with a tooltip even though we have a component just for that, and lots of us don't know about it, besides, some of them need a <a/> instead of the default <time />.

This MR is meant to extend the existing component to allow advanced usages, also I think explicitly inherit attributes from the parent level is better, if we tend to migrate towards Vue3 in the future.

/cc @prajnamas @orozot @qk44077907 @lxwan

Describe in detail what your merge request does and why.

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