Log Analyzer UI screen improvement

Issue Summary

This is reproducible on Data Center: yes

Improve the Log Analyzer page from the UI, so it can be better understood. Currently, the Log Analyzer page shows the banner message "APPLICATION RESTART" (Screen Shot 2022-09-22 at 6.02.08 PM.png) , when scanned against a log that does not contain any error. 

Once it's scanned against a log that contains errors, it is possible to understand that the "APPLICATION RESTART" means that the application needs to be restarted after that error is fixed. (Screen Shot 2022-09-22 at 6.05.28 PM.png)

Steps to Reproduce

1. Step 1
   1. Navigate to the Troubleshooting and support tools > open the Log Analyzer tab on a brand new Bamboo instance > run the Scan. Bamboo will scan the log but it only displays the message "APPLICATION RESTART" if no errors are found on the logs.
   2. Run a new Scan against a log that contains errors, it will then show the errors with the "APPLICATION RESTART" message above of those that will need a restart.

Expected Results

If no errors were found in the logs, have it display a message saying “No errors have been found” rather than just showing the banner saying "APPLICATION RESTART". It gets confusing because it seems like that either the Log Analyzer is not working properly or the application needs a restart.

Also, add an observation note explaining that "APPLICATION RESTART - In order to take effect, a restart is required after the error below is fixed"

Actual Results

Workaround

No workaround