Rebase onto main

panel/src/panel/static/style.sass

@@ -10,9 +10,12 @@ body
   border: 5px solid #000
   border-bottom-color: #F34508
   border-radius: 50%
-  display: inline-block
   box-sizing: border-box
   animation: rotation 1s linear infinite
+  display: none
+
+.loading
+  display inline-block
 
 @keyframes rotation
   0% { transform: rotate(0deg) }

panel/src/panel/templates/configuration_form.html

@@ -17,8 +17,8 @@
 
   <button class="button" type="submit" name="save">Save</button>
 
-  <div id="spinner-container" class="htmx-indicator">
-    <span class="loader"></span>
+  <div id="spinner-container">
+    <span id="spinner" class="loader"></span>
   </div>
 </form>
 {% endblock %}