Add 'feature request' button to wallet page

[HEagle18]

Description

Add feature request button to bottom right of the page

As much as possible it should be visible within wallet. there should be an easy to find this button.

Feedback (insert lightbulb) should do it

Should link to https://community.brave.com/tags/c/wallet/131/feature-request

Steps to Reproduce

Actual result:

Expected result:

Reproduces how often:

Brave version (brave://version info)

Version/Channel Information:

• Can you reproduce this issue with the current release?
• Can you reproduce this issue with the beta channel?
• Can you reproduce this issue with the nightly channel?

Other Additional Information:

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

Miscellaneous Information:

[srirambv]

Verification passed on

Brave	1.45.85 Chromium: 106.0.5249.91 (Official Build) beta (64-bit)
Revision	fa96d5f07b1177d1bf5009f647a5b8c629762157-refs/branch-heads/5249@{#707}
OS	Linux

• Verified Wallet page has a Request a feature button
• Verified button is linked to https://community.brave.com/tags/c/wallet/131/feature-request
• Verified clicking the button opens community page in a new tab
• Verified button is shown always on all Wallet screens

22843.mp4

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Verification passed on

Brave	1.45.85 Chromium: 106.0.5249.91 (Official Build) beta (64-bit)
Revision	fa96d5f07b1177d1bf5009f647a5b8c629762157-refs/branch-heads/5249@{#707}
OS	Windows 11 Version 21H2 (Build 22000.978)

• Verified Wallet page has a Request a feature button
• Verified button is linked to https://community.brave.com/tags/c/wallet/131/feature-request
• Verified clicking the button opens community page in a new tab
• Verified button is shown always on all Wallet screens

22843.mp4

---

Verification passed on

Brave	1.45.85 Chromium: 106.0.5249.91 (Official Build) beta (arm64)
Revision	fa96d5f07b1177d1bf5009f647a5b8c629762157-refs/branch-heads/5249@{#707}
OS	macOS Version 12.4 (Build 21F79)

• Verified Wallet page has a Request a feature button
• Verified button is linked to https://community.brave.com/tags/c/wallet/131/feature-request
• Verified clicking the button opens community page in a new tab
• Verified button is shown always on all Wallet screens

22843.mov