fix: handle singular response for user cell

packages/nc-gui/components/cell/User.vue

@@ -27,7 +27,7 @@ import {
 import MdiCloseCircle from '~icons/mdi/close-circle'
 
 interface Props {
-  modelValue?: UserFieldRecordType[] | string | null
+  modelValue?: UserFieldRecordType[] | UserFieldRecordType | string | null
   rowIndex?: number
   location?: 'cell' | 'filter'
   forceMulti?: boolean
@@ -113,8 +113,8 @@ const vModel = computed({
         return acc
       }, [] as { label: string; value: string }[])
     } else {
-      selected =
-        modelValue?.reduce((acc, item) => {
+      selected = modelValue
+        ? (Array.isArray(modelValue) ? modelValue : [modelValue]).reduce((acc, item) => {
             const label = item?.display_name || item?.email
             if (label) {
               acc.push({
@@ -123,7 +123,8 @@ const vModel = computed({
               })
             }
             return acc
-        }, [] as { label: string; value: string }[]) || []
+          }, [] as { label: string; value: string }[])
+        : []
     }
 
     return selected