Resolve the NetworkImage issue on IOS

[DevYuns]

Description

NetworkImage had some issue about image on ios.

Problem

renderImage should render url source After needLoading turns into false in useEffect. But renderImage shows a previous image(This case loadingSource) in a very short time before they finished to load url image. It was very short short moment, but It was clearly stood out. It may related this issue. So I give a key props to renderImage, then solve the problem. Furthermore, I implemented memoization with useCallback and useMemo.

Test Plan

N/A

Related Issues

Refer this issue

Tests

I added the following tests:

snapshot update

Checklist

Before you create this PR confirms that it meets all requirements listed below by checking the relevant checkboxes ([x]). This will ensure a smooth and quick review process.

• I read the Contributor Guide and followed the process outlined there for submitting PRs.
• Run yarn test:all and make sure nothing fails. You can run yarn test -u to update snapshots if needed.
• I am willing to follow-up on review comments in a timely manner.

[codecov]

Codecov Report

Merging #168 (87eff31) into master (ab3f0d4) will decrease coverage by 1.32%.
The diff coverage is 32.00%.

@@            Coverage Diff             @@
##           master     #168      +/-   ##
==========================================
- Coverage   93.32%   91.99%   -1.33%     
==========================================
  Files          27       27              
  Lines         704      712       +8     
  Branches      295      296       +1     
==========================================
- Hits          657      655       -2     
- Misses         47       57      +10