Feature: support multiple checks for healthchecks widget (#2580)

* Change healthchecks online/offline with the original up/down

* Add group statistics to healthcheck widget

* Update healthchecks docs

---------

Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

src/utils/config/service-helpers.js

@@ -397,6 +397,9 @@ export function cleanServiceGroups(groups) {
           // glances, customapi, iframe
           refreshInterval,
 
+          // healthchecks
+          uuid,
+
           // iframe
           allowFullscreen,
           allowPolicy,
@@ -536,6 +539,9 @@ export function cleanServiceGroups(groups) {
           if (previousDays) cleanedService.widget.previousDays = previousDays;
           if (showTime) cleanedService.widget.showTime = showTime;
         }
+        if (type === "healthchecks") {
+          if (uuid !== undefined) cleanedService.widget.uuid = uuid;
+        }
       }
 
       return cleanedService;