Block script icon is off location when URL bar is hidden

[srirambv]

Did you search for similar issues before submitting this one?
Yes

Describe the issue you encountered:
Block script icon is off location when ULR bar is hiddren

Expected behavior:
Shoudl be properly aligned

• Platform (Win7, 8, 10? macOS? Linux distro?):
  Windows, Ubuntu
• Brave Version:
  0.12.1 RC1
• Steps to reproduce:
  1. Enable Auto hide URL
  2. Enable Block script
  3. Visit http://brianbondy.com and move the cursor away from the URL bar to autohide
  4. Block script icon is off location.
• Screenshot if needed:
  
• Any related issues:

[diracdeltas]

probably caused by my fix to #3931

[diracdeltas]

@jkup if you know an easy way to fix this on all screens, please take

[jkup]

@diracdeltas sure I'll take it!

[diracdeltas]

thanks!