prevent closing the datefield options on calendar select and updated collections upsert save handler

ui/src/components/collections/schema/SchemaFieldDate.svelte

@@ -5,8 +5,25 @@
     import SchemaField from "@/components/collections/schema/SchemaField.svelte";
 
     export let field;
-
     export let key = "";
+
+    let pickerMinValue = field?.options?.min;
+    let pickerMaxValue = field?.options?.max;
+
+    $: if (pickerMinValue != field?.options?.min) {
+        pickerMinValue = field?.options?.min;
+    }
+
+    $: if (pickerMaxValue != field?.options?.max) {
+        pickerMaxValue = field?.options?.max;
+    }
+
+    // ensure that value is set even on manual input edit
+    function onClose(e, key) {
+        if (e.detail && e.detail.length == 3) {
+            field.options[key] = e.detail[1];
+        }
+    }
 </script>
 
 <SchemaField
@@ -28,8 +45,9 @@
                     <Flatpickr
                         id={uniqueId}
                         options={CommonHelper.defaultFlatpickrOptions()}
-                        value={field.options.min}
+                        bind:value={pickerMinValue}
                         bind:formattedValue={field.options.min}
+                        on:close={(e) => onClose(e, "min")}
                     />
                 </Field>
             </div>
@@ -40,8 +58,9 @@
                     <Flatpickr
                         id={uniqueId}
                         options={CommonHelper.defaultFlatpickrOptions()}
-                        value={field.options.max}
+                        bind:value={pickerMaxValue}
                         bind:formattedValue={field.options.max}
+                        on:close={(e) => onClose(e, "max")}
                     />
                 </Field>
             </div>