Add missing em dash for non-disabled entities and devices (#11493)

src/panels/config/devices/ha-config-devices-dashboard.ts

@@ -338,7 +338,7 @@ export class HaConfigDeviceDashboard extends LitElement {
                     ${this.hass.localize("ui.panel.config.devices.disabled")}
                   </paper-tooltip>
                 </div>`
-              : "",
+              : "—",
         };
       }
       return columns;

src/panels/config/entities/ha-config-entities.ts

@@ -237,7 +237,9 @@ export class HaConfigEntities extends SubscribeMixin(LitElement) {
         template: (disabled_by) =>
           this.hass.localize(
             `ui.panel.config.devices.disabled_by.${disabled_by}`
-          ) || disabled_by,
+          ) ||
+          disabled_by ||
+          "—",
       },
       status: {
         title: this.hass.localize(