GH inline Tip button is broken on few GH pages

[GeetaSarvadnya]

Description

Regression of #5040
GH inline Tip button is broken on few GH pages

Steps to Reproduce

Pages that are broken are listed below:

1. Tip button on stars tab of user profile - https://github.com/feross?tab=stars
2. Tip button on commits > branch name - https://github.com/brave/brave-core/commits/
3. Tip button on people page of org - https://github.com/orgs/brave/people
4. Tip button on team members page - https://github.com/orgs/brave/teams/android/members

Actual result:

GH inline Tip button is broken on few GH pages

Expected result:

All GH pages should show Tip inline button

Reproduces how often:

Always

Brave version (brave://version info)

Brave	1.16.23 Chromium: 86.0.4240.30 (Official Build) nightly (64-bit)
Revision	09f50eb5535879364cf00e72653462a509ef6bdc-refs/branch-heads/4240@{#552}
OS	Windows 10 OS Version 1903 (Build 18362.1016)

Version/Channel Information:

• Can you reproduce this issue with the current release? Yes but not in 0.69.x
• Can you reproduce this issue with the beta channel? Yes
• Can you reproduce this issue with the nightly channel? Yes

Other Additional Information:

• Does the issue resolve itself when disabling Brave Shields? NA
• Does the issue resolve itself when disabling Brave Rewards? NA
• Is the issue reproducible on the latest version of Chrome? NA

Miscellaneous Information:

cc: @brave/legacy_qa @NejcZdovc @rebron

[LaurenWags]

tip button was specifically removed from the org's people page: brave/brave-core#5215

[GeetaSarvadnya]

Verification passed on

Brave | 1.17.53 Chromium: 86.0.4240.111 (Official Build) dev (64-bit)
-- | --
Revision | b8c36128a06ebad76af51591bfec980224db5522-refs/branch-heads/4240@{#1290}
OS | Windows 10 OS Version 1903 (Build 18362.1139)

• Verified the STR from the description
• Logged GH inline Tip button is removed after page reload #12383

GH inline button on various GH pages

Tip button on stars tab of user profile - https://github.com/feross?tab=stars

Tip button on commits > branch name - https://github.com/brave/brave-core/commits/

Tip button on people page of org - https://github.com/orgs/brave/people

Tip button on team members page - https://github.com/orgs/brave/teams/android/members

Tip button the PR page

Tip button on gists page

• Verified tip banner showed profile name on GitHub if existed and username on GitHub if it did not
  
  

One time tips sent to GH users

• Tip from both BR panel and Inline tip button from various GH pages
  
  

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Verified passed with

Brave | 1.17.62 Chromium: 86.0.4240.185 (Official Build) dev (x86_64)
-- | --
Revision | 37e6f852ed18086458552039ad26421aa9fc7acc-refs/branch-heads/4240@{#1377}
OS | macOS Version 10.14.6 (Build 18G6032)

Verified in-line tip placement on the following pages:

Pull Request

PR description:

PR comment:

Issue

Issue description:

Issue comment:

Commits

Starred Repos (must be logged in to GH)

Gist

People Page

Team Page (must be logged in to GH)

Additional testing was completed with #11463 (comment)

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