Multiple scroll bars on crypto wallet

[srirambv]

Description

Multiple scroll bars on crypto wallet

Steps to Reproduce

1. Install 0.1.47
2. Have default browser window size
3. Do multiple transactions, shows mulitple scroll bars

Actual result:

Expected result:

Just one scrollbar

Reproduces how often:

Easy

Brave version (brave://version info)

0.1.47

Version/Channel Information:

• Can you reproduce this issue with the current release? Yes
• Can you reproduce this issue with the beta channel? YEs
• Can you reproduce this issue with the dev channel? Yes
• 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:

[kjozwiak]

Verification PASSED on macOS 10.15.3 x64 using https://github.com/brave/ethereum-remote-client/releases/tag/0.1.50.

Brave | 1.4.95 Chromium: 80.0.3987.122 (Official Build) (64-bit)
-- | --
Revision | cf72c4c4f7db75bc3da689cd76513962d31c7b52-refs/branch-heads/3987@{#943}
OS | macOS Version 10.15.3 (Build 19D76)

• Went through the STR outlined via #8438 (comment) and ensured that only a single scroll bar was visible.

Verification PASSED on Win 10 x64 using https://github.com/brave/ethereum-remote-client/releases/tag/0.1.50.

Brave | 1.4.95 Chromium: 80.0.3987.122 (Official Build) (64-bit)
--- | ---
Revision | cf72c4c4f7db75bc3da689cd76513962d31c7b52-refs/branch-heads/3987@{#943}
OS | Windows 10 OS Version 1909 (Build 18363.657)

• Went through the STR outlined via #8438 (comment) and ensured that only a single scroll bar was visible.

Verification PASSED on Mint 19.1 x64 using https://github.com/brave/ethereum-remote-client/releases/tag/0.1.50.

Brave | 1.4.95 Chromium: 80.0.3987.122 (Official Build) (64-bit)
--- | ---
Revision | cf72c4c4f7db75bc3da689cd76513962d31c7b52-refs/branch-heads/3987@{#943}
OS | Linux

• Went through the STR outlined via #8438 (comment) and ensured that only a single scroll bar was visible.