fix: fix network delete trash displayed on mouse over

[salimtb]

Description

the delete network trash logo should be displayed only when we have mouse over

Related issues

Fixes:

Manual testing steps

1. Add any popular network
2. Go to network modal
3. check if the trash icon is displayed without mouse over

Screenshots/Recordings

Before

before.mov

After

after.mov

Pre-merge author checklist

• I've followed MetaMask Contributor Docs and MetaMask Extension Coding Standards.
• I've completed the PR template to the best of my ability
• I’ve included tests if applicable
• I’ve documented my code using JSDoc format if applicable
• I’ve applied the right labels on the PR (see labeling guidelines). Not required for external contributors.

Pre-merge reviewer checklist

• I've manually tested the PR (e.g. pull and build branch, run the app, test code being changed).
• I confirm that this PR addresses all acceptance criteria described in the ticket it closes and includes the necessary testing evidence such as recordings and or screenshots.

[github-actions]

CLA Signature Action: All authors have signed the CLA. You may need to manually re-run the blocking PR check if it doesn't pass in a few minutes.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.67%. Comparing base (6918c52) to head (a90d020).
Report is 4 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop   #25547   +/-   ##
========================================
  Coverage    69.67%   69.67%           
========================================
  Files         1349     1349           
  Lines        47850    47850           
  Branches     13195    13195           
========================================
  Hits         33337    33337           
  Misses       14513    14513           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[metamaskbot]

Builds ready [a90d020]

• builds: chrome, firefox
• builds (beta): chrome
• builds (flask): chrome, firefox
• builds (MMI): chrome, firefox
• builds (test): chrome, firefox
• builds (test-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, 6, 7, 8, 9
  • content-script: 0
  • offscreen: 0
  • ui: 0, 1, 10, 11, 2, 3, 4, 5, 6, 7, 8, 9

Page Load Metrics (129 ± 170 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	66	135	83	16	8
		domContentLoaded	9	24	12	4	2
		load	38	1670	129	354	170
		domInteractive	9	24	12	4	2

Bundle size diffs

• background: 0 Bytes (0.00%)
• ui: 0 Bytes (0.00%)
• common: 0 Bytes (0.00%)