fix keyboard shortcuts

[lodewiges]

Removes the ability to switch pages when focused on input field

fix #1017

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 13.09%. Comparing base (9e10420) to head (3c572f1).

Files with missing lines	Patch %	Lines
.../categories/category/threads/thread/posts/index.js	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           staging    #1018   +/-   ##
========================================
  Coverage    13.09%   13.09%           
========================================
  Files          450      450           
  Lines         3108     3108           
========================================
  Hits           407      407           
  Misses        2701     2701           

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