Too much bottom padding on scripts details view

[srirambv]

Description

Too much bottom padding on scripts details view

Steps to Reproduce

1. Block scripts on a page
2. Open details view of scripts blocked
3. Too much bottom padding for Go Back and Cancel buttons

Actual result:

Expected result:

Reproduces how often:

Easy

Brave version (brave://version info)

Brave	0.64.72 Chromium: 74.0.3729.131 (Official Build) beta(64-bit)
Revision	518a41c1fa7ce1c8bb5e22346e82e42b4d76a96f-refs/branch-heads/3729@{#954}
OS	Linux

Version/Channel Information:

• Can you reproduce this issue with the current release?
  No
• 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?
  N/A
• Does the issue resolve itself when disabling Brave Rewards?
  N/A
• Is the issue reproducible on the latest version of Chrome?
  N/A

Miscellaneous Information:

cc: @karenkliu @cezaraugusto

[cezaraugusto]

this was fixed after brave/brave-ui@4eeb39e landed in brave-core so I'm closing this one. @srirambv please re-open if you think I'm wrong