Don't allow chaning time only to datetime

packages/builder/src/components/backend/DataTable/modals/CreateEditColumn.svelte

@@ -604,6 +604,7 @@
         <DatePicker bind:value={editableColumn.constraints.datetime.latest} />
       </div>
     </div>
+    {#if !editableColumn.timeOnly}
       {#if datasource?.source !== SourceName.ORACLE && datasource?.source !== SourceName.SQL_SERVER && !editableColumn.dateOnly}
         <div>
           <div class="row">
@@ -625,6 +626,7 @@
         </div>
       {/if}
       <Toggle bind:value={editableColumn.dateOnly} text="Date only" />
+    {/if}
   {:else if editableColumn.type === FieldType.NUMBER && !editableColumn.autocolumn}
     <div class="split-label">
       <div class="label-length">