Kibana version:
tested with kibana-7.8.1-windows-x86_64 and kibana-7.9.0-windows-x86_64

Elasticsearch version:
tested with elasticsearch-7.8.1 and elasticsearch-7.9.0

Server OS version:
tested on windows 10

Browser version:
chrome Version 84.0.4147.125 (Official Build) (64-bit)

Browser OS version:
tested on windows 10

**Original install method (e.g. download

Bug description

Please describe.
If this affects the front-end, screenshots would be of great help.

Trailing spaces in the selector box are not removed automatically and can mess up the event results when saving an action

Expected behavior

How to reproduce

1. Create a new action with any selector
2. put in a couple of spaces at the end of the line in the selec

When you open page UI Elements -> Cards i see TABS are not showing content until you click on other and back on first, same for pills.

Possible fix : ( worked for me )

<script type="text/javascript"> $(document).ready(function(){ $('.nav-item').tab('show'); $('.nav-tabs li a:first').trigger('click'); }); </script>

This implentation should be very similar to the Echarts Pane. So maybe starting with a copy of the relevant files of that would be a way to start.