Fix weird grammar in messages on authorize screen

[willbeaufoy]

Description of the Change

The existing message to users was 'Application requires following permissions' which sounds
like bad english to me. I've changed them to 'Application requires the following permissions'.

Checklist

• PR only contains one change (considered splitting up PR)
• unit-test added
• documentation updated
• CHANGELOG.md updated (only for user relevant changes)
• author name in AUTHORS

[codecov]

Codecov Report

Merging #935 (4ff1167) into master (4c6f059) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #935   +/-   ##
=======================================
  Coverage   94.94%   94.94%           
=======================================
  Files          30       30           
  Lines        1423     1423           
=======================================
  Hits         1351     1351           
  Misses         72       72           

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[n2ygk]

Thanks for your contribution!

Please add yourselves to AUTHORS. No contribution is too small!

[willbeaufoy]

Thanks for your contribution!

Please add yourselves to AUTHORS. No contribution is too small!

Done!