## Issue
`normalizeUri` | `parseURI` is expensive and has been causing sluggish operations when called repeatedly or within a loop.
## Change
Since I'm not confident enough to remove the call entirely from makeSelectClaimIsMine (although I've yet to find a scenario that the uri is not already normalized), we'll try caching the calls instead.
## Results
- in a simple test of toggling between 2 category pages, we saved 20ms from `parseURI` calls alone.
- in a test of opening all categories one time, the memory usage remained similar. This makes sense since we removed a `makeSelect*` (which creates a selector for each call + not memoizing), and replaced that with a cached selector that's actually memoizing.
* Add ICON.INFO - "i" within a circle.
Basically, an inverted ICON.ALERT.
* Posts: restore "Tip unlock | Claim details" component
## Issue
5882: tip unlock + claim id detials missing from markdown posts view
## Notes
The easiest solution would be to put `FileDescription` into posts, but I think that goes against the clean up of the Post layout, where the focus should be on the content. The faded style of the File Details section seems too distracting, plus we don't want the File Description anyway.
Fixed by:
- Make the existing "LBC amount" clickable to show credit details. An additional padlock will appear if the content is yours and you have tips to unlock.
- Add an "info" icon beside it to show file details.
These "link" buttons are usually lit, but I dimmed it in this case to make them stand out less. Again, focusing on Post content instead of buttons.
