Fix: Card Browser Border and Header Height.

[argon2r]

Purpose / Description

Fixed the Card Browser Border and Column Header Height.

Fixes

• Fixes Add border between column header and first row #17894
• Fixes Card browser: Increase Height of Column Headers #17896

Approach

Created drawable file for the bottom divider to improve the Card Browser border, increased the Card Browser Header height and improved the heading text Alignment.

How Has This Been Tested?

State	Screenshot
Before
After

Checklist

Please, go through these checks before submitting the PR.

• You have a descriptive commit message with a short title (first line, max 50 chars).
• You have commented your code, particularly in hard-to-understand areas
• You have performed a self-review of your own code
• UI changes: include screenshots of all affected screens (in particular showing any new or changed strings)
• UI Changes: You have tested your change using the Google Accessibility Scanner

[brishtibheja]

From what I said in Discord: why is is the border between columns extending to the headers? The before images don't have that.

[argon2r]

From what I said in Discord: why is is the border between columns extending to the headers? The before images don't have that.

As additional columns are added to the card browser, vertical lines enhance its organization and clarity.

[BrayanDSO]

LGTM. Thanks!

[david-allison]

Looks great, cheers!

[david-allison]

Squashed & edited commit message

[david-allison]

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