When exporting colors, the indicator is not always removed upon completion

[yingbaiibm]

To Reproduce

Steps to reproduce the behavior:

1. Go to Present - Colors page

2. Click Export button

3. After export done, the refresh circle still running and can not disappear.

Expected behavior

After export done, the refresh circle should disappear

Desktop (please complete the following information)

• OS: rhel7 x64

• Browser FF 80

• Version Cacti 1.2.x latest code

[TheWitness]

Resolved.

[yingbaiibm]

Need also fix the export function for automation_devices.php, graph_xport.php, host.php, templates_export.php