fix blockExplorer link on setApprovalForAll confirmation screen

[adonesky1]

Fixes: #15311

[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.

[PeterYinusa]

LGTM

[metamaskbot]

Builds ready [abd05e2]

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

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

Page Load Metrics (1829 ± 71 ms)

Platform	Page	Metric	Min (ms)	Max (ms)	Average (ms)	StandardDeviation (ms)	MarginOfError (ms)
Chrome	Home	firstPaint	93	160	117	20	10
		domContentLoaded	1654	2206	1806	126	61
		load	1654	2331	1829	148	71
		domInteractive	1654	2206	1806	126	61

highlights:

storybook

• ui/pages/confirm-approve/confirm-approve-content/confirm-approve-content.stories.js
• ui/pages/confirm-approve/confirm-approve.stories.js