Fix lokalization of MQTT config entry panel re-configure button and title (#14915)

src/panels/config/integrations/integration-panels/mqtt/mqtt-config-panel.ts

@@ -40,10 +40,14 @@ class HaPanelDevMqtt extends LitElement {
     return html`
       <hass-subpage .narrow=${this.narrow} .hass=${this.hass}>
         <div class="content">
-          <ha-card header="MQTT settings">
+          <ha-card
+            .header=${this.hass.localize("ui.panel.config.mqtt.settings_title")}
+          >
             <div class="card-actions">
               <mwc-button @click=${this._openOptionFlow}
-                >Re-configure MQTT</mwc-button
+                >${this.hass.localize(
+                  "ui.panel.config.mqtt.reconfigure"
+                )}</mwc-button
               >
             </div>
           </ha-card>

src/translations/en.json

@@ -3245,6 +3245,8 @@
         },
         "mqtt": {
           "title": "MQTT",
+          "settings_title": "MQTT settings",
+          "reconfigure": "Re-configure MQTT",
           "description_publish": "Publish a packet",
           "topic": "Topic",
           "payload": "Payload (template allowed)",