triggers panel: fix icon for OK events

src/panel-triggers/partials/options_tab.html

@@ -163,7 +163,7 @@
         <label class="gf-form-label width-3">{{ trigger.priority }}</label>
         <label class="gf-form-label triggers-severity-config"
           ng-style="{color: trigger.color}">
-          <i class="icon-gf" ng-class="ctrl.getAlertIconClass(trigger)"></i>
+          <i class="icon-gf" ng-class="ctrl.getAlertIconClassBySeverity(trigger)"></i>
         </label>
         <input type="text"
           class="gf-form-input width-12"

src/panel-triggers/triggers_panel_ctrl.js

@@ -490,9 +490,8 @@ export class TriggerPanelCtrl extends PanelCtrl {
   }
 
   getAlertIconClass(trigger) {
-    const triggerValue = Number(trigger.value);
     let iconClass = '';
-    if (triggerValue || trigger.color) {
+    if (trigger.value === '1') {
       if (trigger.priority >= 3) {
         iconClass = 'icon-gf-critical';
       } else {
@@ -508,6 +507,14 @@ export class TriggerPanelCtrl extends PanelCtrl {
     return iconClass;
   }
 
+  getAlertIconClassBySeverity(triggerSeverity) {
+    let iconClass = 'icon-gf-warning';
+    if (triggerSeverity.priority >= 3) {
+      iconClass = 'icon-gf-critical';
+    }
+    return iconClass;
+  }
+
   getAlertStateClass(trigger) {
     let statusClass = '';