Fixes clicking tipping button before opting into rewards.

[mkarolin]

Resolves brave/brave-browser#26109

Submitter Checklist:

• I confirm that no security/privacy review is needed, or that I have requested one
• There is a ticket for my issue
• Used Github auto-closing keywords in the PR description above
• Wrote a good PR/commit description
• Squashed any review feedback or "fixup" commits before merge, so that history is a record of what happened in the repo, not your PR
• 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)

Reviewer Checklist:

• A security review is not needed, or a link to one is included in the PR description
• 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:

[LaurenWags]

Verified with

Brave | 1.47.16 Chromium: 107.0.5304.62 (Official Build) nightly (x86_64)
-- | --
Revision | 1eec40d3a5764881c92085aaee66d25075c159aa-refs/branch-heads/5304@{#942}
OS | macOS Version 12.6.1 (Build 21G217)

Verified STR from brave/brave-browser#26109 (comment):

Twitter - PASSED

1. Fresh profile, relaunch to pull griffin seed
2. Go to twitter.com/emerick (or reddit.com/u/cryptojennie or open this GH issue)
3. Click on an in-line tip button somewhere on the page
4. Confirmed panel opened to show onboarding

Reddit - PASSED

1. Fresh profile, relaunch to pull griffin seed
2. Go to reddit.com/u/cryptojennie
3. Click on an in-line tip button somewhere on the page
4. Confirmed panel opened to show onboarding

GitHub - PASSED

1. Fresh profile, relaunch to pull griffin seed
2. Go to this issue
3. Click on an in-line tip button somewhere on the page
4. Confirmed panel opened to show onboarding

Verified Case 4 from brave/brave-browser#14277 (comment) for the in-line tip buttons:

Case 4 - In-line tip button - PASSED

1. Fresh profile, relaunch to pull griffin seed
2. Go to twitter.com/emerick
3. Click on an in-line tip button
4. Panel is displayed, but do not opt in to rewards. Close panel.
5. Check for calls to *.rewards.brave.com
6. Confirm no calls to *.rewards.brave.com
7. Go to github.com/miyayes
8. Click on an in-line tip button
9. Panel is displayed, but do not opt in to rewards. Close panel.
10. Check for calls to *.rewards.brave.com
11. Confirm no calls to *.rewards.brave.com
12. Go to reddit.com/u/cryptojennie
13. Click on an in-line tip button
14. Panel is displayed, but do not opt in to rewards. Close panel.
15. Check for calls to *.rewards.brave.com
16. Confirm no calls to *.rewards.brave.com
17. Open NTP
18. Check for calls to *.rewards.brave.com
19. Confirm no calls to *.rewards.brave.com
20. Open browser Task Manager and confirm Ledger service is not running

Step 6	Step 11	Step 16	Step 19	Step 20