Modify SearchPage "Updating..." Overlay Logic #3738
Added conditional logic to SearchPage so that the updating overlay will not be shown if the auto-refresh is enabled and the update interval is 5 seconds or less. This issues is referenced in #3723
Motivation and Context
Change resolves reported issues in #3723
How Has This Been Tested?
Compiled graylog2-server from source and ran. Tested changes in web browser and monitored debug feedback. Changes were not observed affecting other areas of code.
Types of changes