lbry-desktop/ui/component/claimListDiscover
infiinte-persistence dfef97d715 claim_search: Don't clear past page results if subsequent pages timeout.
## Issue
4609: If claim search on latter page fails, don't clear out all previous data

## Note
This requires an accompanying change in `lbry-redux` to mark `claimSearchResultLastPageReached` during timeout and to not purge past results.

## Change
The previous flow was: increment the page, and expect the next render to either be 0 (timeout + purge) or fill in at least 1 new item.

Since it is now possible for no results to be returned for the new page (due to timeout + no purging), the code continues to make another query. This commit stops the perpetual querying.

## Test Case:
1. https://lbry.tv/$/discover?t=imherelbry&content=video&order=top&fresh=year
2. Scroll down a few pages until it timeout happens. Past results are gone.
2020-11-13 13:23:50 -05:00
..
index.js claim-search by language 2020-10-29 15:20:18 -04:00
view.jsx claim_search: Don't clear past page results if subsequent pages timeout. 2020-11-13 13:23:50 -05:00