Unnecessary scroll bar on panel. Also causes buttons to lose left padding

[srirambv]

Description

Unnecessary scroll bar on panel. Also causes buttons to lose left padding

Steps to Reproduce

1. Install nightly
2. Open a site and open Wallet panel
3. Triggers OCD after seeing the horrible scrollbars

Actual result:

Linux	Windows	macOS
	)

Expected result:

Only show scroll bar when its required to scroll similar to macOS

Reproduces how often:

Easy

Brave version (brave://version info)

Brave	1.36.31 Chromium: 97.0.4692.71 (Official Build) nightly (64-bit)
Revision	adefa7837d02a07a604c1e6eff0b3a09422ab88d-refs/branch-heads/4692@{#1247}
OS	Linux / Windows

Version/Channel Information:

• Can you reproduce this issue with the current release? NA
• Can you reproduce this issue with the beta channel? NA
• 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: @jamesmudgett @Douglashdaniel

[srirambv]

Brave	1.36.93 Chromium: 98.0.4758.87 (Official Build) beta (64-bit)
Revision	e4cd00f135fb4d8edc64c8aa6ecbe7cc79ebb3b2-refs/branch-heads/4758@{#1002}
OS	☑️ Linux	☑️ Windows 11 Version Dev (Build 22523.1000)	☑️ macOS Version 12.0.1 (Build 21C52)
Verified steps from brave/brave-core#11886 Verified no unnecessary scroll bar on panel when loading the panel Encountered issue where 0 balance tokens/coins causes it to be slow to list it but that should be fixed as part of #20955
	20464-Linux.mp4	20464-Windows.mov	20464-macOS.mov