EQMS-1569: fixed ui crash when editing product members (#9229)

Signed-off-by: Victor Ilyushchenko <alt13ri@gmail.com>

plugins/contact-resources/src/components/AccountArrayEditor.svelte

@@ -24,7 +24,7 @@
   import UserBoxList from './UserBoxList.svelte'
 
   export let label: IntlString
-  export let value: AccountUuid[] | undefined
+  export let value: AccountUuid | AccountUuid[] | undefined
   export let onChange: ((refs: AccountUuid[]) => void | Promise<void>) | undefined
   export let readonly = false
   export let kind: ButtonKind = 'link'
@@ -34,13 +34,16 @@
   export let excludeItems: Ref<Person>[] = []
   export let emptyLabel: IntlString | undefined = undefined
   export let allowGuests: boolean = false
+  export let attributeKey: string | undefined = undefined
+
+  $: accounts = typeof value === 'string' ? [value] : value ?? []
 
   let timer: any = null
   const client = getClient()
   let update: (() => Promise<void>) | undefined
 
-  $: valueByPersonRef = new Map(
-    (value ?? []).map((p) => {
+  $: accountsByPersonRef = new Map(
+    accounts.map((p) => {
       const person = $employeeRefByAccountUuidStore.get(p)
 
       if (person === undefined) {
@@ -60,7 +63,7 @@
       const newAccounts: AccountUuid[] = []
 
       for (const person of newPersons) {
-        const acc = valueByPersonRef.get(person)
+        const acc = accountsByPersonRef.get(person)
         if (acc !== undefined) {
           newAccounts.push(acc)
         } else {
@@ -86,7 +89,7 @@
     void update?.()
   })
 
-  $: employees = (value ?? []).map((p) => $employeeRefByAccountUuidStore.get(p)).filter(notEmpty)
+  $: employees = accounts.map((p) => $employeeRefByAccountUuidStore.get(p)).filter(notEmpty)
   $: docQuery =
     excludeItems.length === 0 && includeItems.length === 0
       ? {}