Avoid Wallet being blocked

[bbondy]

It was being blocked because the init was too early now that it's installed via an extension and not a component

Resolves brave/brave-browser#14068

Submitter Checklist:

• There is a ticket for my issue
• Used Github auto-closing keywords in the PR description above
• Wrote a good PR/commit description
• Added appropriate labels (QA/Yes or QA/No; release-notes/include or release-notes/exclude; OS/...) to the associated issue
• Checked the PR locally: npm run test -- brave_browser_tests, npm run test -- brave_unit_tests, npm run lint, npm run gn_check, npm run tslint
• Ran git rebase master (if needed)
• Requested a security/privacy review as needed

Reviewer Checklist:

• New files have MPL-2.0 license header
• Adequate test coverage exists to prevent regressions
• Major classes, functions and non-trivial code blocks are well-commented
• Changes in component dependencies are properly reflected in gn
• Code follows the style guide
• Test plan is specified in PR before merging

After-merge Checklist:

• The associated issue milestone is set to the smallest version that the
  changes has landed on
• All relevant documentation has been updated, for instance:
  • https://github.com/brave/brave-browser/wiki/Deviations-from-Chromium-(features-we-disable-or-remove)
  • https://github.com/brave/brave-browser/wiki/Proxy-redirected-URLs
  • https://github.com/brave/brave-browser/wiki/Fingerprinting-Protections
  • https://github.com/brave/brave-browser/wiki/Brave%E2%80%99s-Use-of-Referral-Codes
  • https://github.com/brave/brave-browser/wiki/Custom-Headers
  • https://github.com/brave/brave-browser/wiki/Web-Compatibility-Exceptions-in-Brave
  • https://github.com/brave/brave-browser/wiki/QA-Guide
  • https://github.com/brave/brave-browser/wiki/P3A

Test Plan:

[ryanml]

++ lgtm

[SergeyZhukovsky]

++

[srirambv]

Verification passed on

Brave	1.22.15 Chromium: 89.0.4389.40 (Official Build) nightly (64-bit)
Revision	2c2ed83cd507b23e4845edd09a7d1dfc727daf4b-refs/branch-heads/4389@{#602}
OS	Linux

• Verified enabling CW on 1.22.13 and setting CW to load at start cause it to break when browser is restarted
• Verified upgrading to 1.22.15 doesn't cause CW to lock up/break when browser is restarted
• Steps recorded here https://youtu.be/14tpdVM5n5c