[#1079] preserve new field options on drag&drop

ui/src/components/collections/CollectionFieldsTab.svelte

@@ -141,8 +141,9 @@
         .
     </p>
 </div>
+
 <div class="accordions">
-    {#each collection.schema as field, i (i + field.id)}
+    {#each collection.schema as field, i (field)}
         <FieldAccordion
             bind:field
             key={i}

ui/src/scss/_accordion.scss

@@ -90,7 +90,7 @@
     &.active {
         @include shadowize();
         .accordion-header {
-            position: sticky;
+            position: relative;
             top: 0;
             z-index: 9;
             box-shadow: 0px 0px 0px 1px var(--baseAlt2Color);