Fix Wallet Portfolio Segmented Control Sizing

[Douglashdaniel]

Description

The Segmented Control on the Wallet portfolio page is to big in the Panel and has to much Padding.

Steps to reproduce

1. Open the Wallet panel and navigate to the Portfolio page
2. The Segmented Controls are to big and have to much padding

Actual result

Expected result

Reproduces how often

Easily reproduced

Brave version (brave://version info)

1.70.92 Chromium: 128.0.6613.85 (Official Build) beta (arm64)

Channel information

• [ ] release (stable)
• [X] beta
• [X] nightly

Reproducibility

• [ ] with Brave Shields disabled
• [ ] with Brave Rewards disabled
• [ ] in the latest version of Chrome

Miscellaneous information

No response

[srirambv]

Verification passed on

Brave	1.71.97 Chromium: 129.0.6668.70 (Official Build) beta (64-bit)
Revision	de99cbcb1aa0aa00877d356e4733f4e5481e89eb
OS	Windows 11 Version 23H2 (Build 22631.4169)

• Verified steps from brave/brave-core#25428
• Verified segmented controls are now bigger and spanned

Portfolio	Panel

Portfolio Asset	Panel

Edit Visible Asset	Panel

Explorer	Panel

Account Details	Panel