Added suppression info (#2790)

* added suppression info

* added to type

src/data/system_log.ts

@@ -7,6 +7,9 @@ export interface LoggedError {
   // unix timestamp in seconds
   timestamp: number;
   exception: string;
+  count: number;
+  // unix timestamp in seconds
+  first_occured: number;
 }
 
 export const fetchSystemLog = (hass: HomeAssistant) =>

src/panels/dev-info/system-log-card.ts

@@ -68,6 +68,16 @@ class SystemLogCard extends LitElement {
                                 this.hass!.language
                               )}
                               ${item.source} (${item.level})
+                              ${item.count > 1
+                                ? html`
+                                    - message first occured at
+                                    ${formatLogTime(
+                                      item.first_occured,
+                                      this.hass!.language
+                                    )}
+                                    and shows up ${item.count} times
+                                  `
+                                : html``}
                             </div>
                           </paper-item-body>
                         </paper-item>