Add reload scene button (#3476)

src/panels/config/server_control/ha-config-section-server-control.js

@@ -128,6 +128,13 @@ class HaConfigSectionServerControl extends LocalizeMixin(PolymerElement) {
                 hidden$="[[!scriptLoaded(hass)]]"
                 >[[localize('ui.panel.config.server_control.section.reloading.script')]]
               </ha-call-service-button>
+              <ha-call-service-button
+                hass="[[hass]]"
+                domain="scene"
+                service="reload"
+                hidden$="[[!sceneLoaded(hass)]]"
+                >[[localize('ui.panel.config.server_control.section.reloading.scene')]]
+              </ha-call-service-button>
             </div>
           </ha-card>
         </template>
@@ -200,6 +207,10 @@ class HaConfigSectionServerControl extends LocalizeMixin(PolymerElement) {
     return isComponentLoaded(hass, "script");
   }
 
+  sceneLoaded(hass) {
+    return isComponentLoaded(hass, "scene");
+  }
+
   validateConfig() {
     this.validating = true;
     this.validateLog = "";

src/translations/en.json

@@ -620,7 +620,8 @@
               "core": "Reload core",
               "group": "Reload groups",
               "automation": "Reload automations",
-              "script": "Reload scripts"
+              "script": "Reload scripts",
+              "scene": "Reload scenes"
             },
             "server_management": {
               "heading": "Server management",