Add additional currencies that Transak supports to buy flow

[HEagle18]

Description

Right now, we only support USD, EUR and GBP on the buy flow. But we should extend that to other countries that Transak supports.

Steps to Reproduce

Actual result:

Expected result:

Reproduces how often:

Desktop Brave version:

Android Device details:

• Install type (ARM, x86):
• Device type (Phone, Tablet, Phablet):
• Android version:

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:

[muliswilliam]

@Pavneet-Sing @nuo-xu I added new currencies to currency list, please make sure Android and iOS are working as expected.

[Pavneet-Sing]

@Pavneet-Sing @nuo-xu I added new currencies to currency list, please make sure Android and iOS are working as expected.

Thanks though Android yet to have a currency selector #27679

[nuo-xu]

thank you @muliswilliam
I've tested iOS with latest core, im seeing all these newly added currencies. and it works correctly for Transak provider.

[srirambv]

Removing OS/Android label based on #28412 (comment). Android specific issue is #27679

[srirambv]

Verification passed on

Brave	1.50.93 Chromium: 111.0.5563.64 (Official Build) beta (64-bit)
Revision	c710e93d5b63b7095afe8c2c17df34408078439d-refs/branch-heads/5563@{#995}
OS	Linux

• Verified steps from brave/brave-core#17388
• Verified Transak landing page uses the selected currency on the purchase widget

28412.mp4

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Verification passed on

Brave	1.50.93 Chromium: 111.0.5563.64 (Official Build) beta (64-bit)
Revision	c710e93d5b63b7095afe8c2c17df34408078439d-refs/branch-heads/5563@{#995}
OS	Windows 11 Version 22H2 (Build 22621.1344)

• Verified steps from brave/brave-core#17388
• Verified Transak landing page uses the selected currency on the purchase widget

---

Verification passed on

Brave	1.50.93 Chromium: 111.0.5563.64 (Official Build) beta (arm64)
Revision	c710e93d5b63b7095afe8c2c17df34408078439d-refs/branch-heads/5563@{#995}
OS	macOS Version 13.0 (Build 22A380)

• Verified steps from brave/brave-core#17388
• Verified Transak landing page uses the selected currency on the purchase widget

28412.mp4