Don't send S3 image data url to rows endpoint

packages/client/src/components/app/forms/S3Upload.svelte

@@ -2,6 +2,7 @@
   import Field from "./Field.svelte"
   import { CoreDropzone, ProgressCircle } from "@budibase/bbui"
   import { getContext, onMount, onDestroy } from "svelte"
+  import { cloneDeep } from "../../../../../bbui/src/helpers"
 
   export let datasourceId
   export let bucket
@@ -14,6 +15,7 @@
 
   let fieldState
   let fieldApi
+  let localFiles = []
 
   const { API, notificationStore, uploadStore } = getContext("sdk")
   const component = getContext("component")
@@ -90,9 +92,17 @@
   }
 
   const handleChange = e => {
-    const changed = fieldApi.setValue(e.detail)
+    localFiles = e.detail
+    let files = cloneDeep(e.detail) || []
+    // remove URL as it contains the full base64 image data
+    files.forEach(file => {
+      if (file.type?.startsWith("image")) {
+        delete file.url
+      }
+    })
+    const changed = fieldApi.setValue(files)
     if (onChange && changed) {
-      onChange({ value: e.detail })
+      onChange({ value: files })
     }
   }
 
@@ -118,7 +128,7 @@
   <div class="content">
     {#if fieldState}
       <CoreDropzone
-        value={fieldState.value}
+        value={localFiles}
         disabled={loading || fieldState.disabled}
         error={fieldState.error}
         on:change={handleChange}