Chore: Rename select ID & add translation

src/components/notifications/Webhook.vue

@@ -12,11 +12,11 @@
     </div>
 
     <div class="mb-3">
-        <label for="webhook-content-type" class="form-label">{{
+        <label for="webhook-request-body" class="form-label">{{
             $t("Request Body")
         }}</label>
         <select
-            id="webhook-content-type"
+            id="webhook-request-body"
             v-model="$parent.notification.webhookContentType"
             class="form-select"
             required

src/lang/en.json

@@ -755,5 +755,6 @@
     "Group": "Group",
     "Monitor Group": "Monitor Group",
     "noGroupMonitorMsg": "Not Available. Create a Group Monitor First.",
-    "Close": "Close"
+    "Close": "Close",
+    "Request Body": "Request Body"
 }