Render correct image in the asset dropdown while sending an NFT

[NidhiKJha]

In the asset dropdown, the native token image was changed to the selected NFT image while sending an NFT. This PR is to fix this and to ensure the correct image is displayed in the asset dropdown while sending an NFT.

• Fixes [Bug]: Sending the native protocol token displays NFT icon if previously selected that NFT #19783

Screenshots/Screencaps

Before

Screen.Recording.2023-06-27.at.8.47.31.PM.mov

After

Screen.Recording.2023-06-27.at.8.44.39.PM.mov

Manual Testing Steps

• Select an asset and click on send
• In the asset dropdown, select nft
• Check the native token has its own logo and not the nft image in asset dropdown.

Pre-merge author checklist

• I've clearly explained:
  • What problem this PR is solving
  • How this problem was solved
  • How reviewers can test my changes
• Sufficient automated test coverage has been added

Pre-merge reviewer checklist

• Manual testing (e.g. pull and build branch, run in browser, test code being changed)
• PR is linked to the appropriate GitHub issue
• IF this PR fixes a bug in the release milestone, add this PR to the release milestone

If further QA is required (e.g. new feature, complex testing steps, large refactor), add the Extension QA Board label.

In this case, a QA Engineer approval will be be required.

[codecov]

Codecov Report

Merging #19787 (a8318b8) into develop (bf8f606) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff            @@
##           develop   #19787   +/-   ##
========================================
  Coverage    69.83%   69.83%           
========================================
  Files          981      981           
  Lines        36939    36936    -3     
  Branches      9913     9910    -3     
========================================
- Hits         25796    25794    -2     
+ Misses       11143    11142    -1     

Impacted Files	Coverage Δ
...content/send-asset-row/send-asset-row.component.js	68.67% <100.00%> (+0.07%)	⬆️

[metamaskbot]

Builds ready [a8318b8]

• builds: chrome, firefox
• builds (beta): chrome
• builds (flask): chrome, firefox
• build viz: Build System
• mv3: Background Module Init Stats
• mv3: UI Init Stats
• mv3: Module Load Stats
• mv3: Bundle Size Stats
• mv2: E2e Actions Stats
• code coverage: Report
• storybook: Storybook
• typescript migration: Dashboard
• all artifacts
• bundle viz:

  • background: 0, 1, 2, 3, 4, 5
  • common: 0, 1, 2, 3, 4, 5
  • content-script: 0
  • contentscript: contentscript
  • disable-console: disable-console
  • inpage: inpage
  • policy-load: policy-load
  • sentry-install: sentry-install
  • ui: 0, 1, 10, 11, 12, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (1623 ± 74 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	108	199	141	26	13
		domContentLoaded	1456	2056	1622	155	74
		load	1456	2056	1623	155	74
		domInteractive	1456	2056	1622	155	74

Bundle size diffs

• background: 0 bytes
• ui: -174 bytes
• common: 0 bytes