refactor(gui-v2): replace callback with promise

Signed-off-by: Pranav C <pranavxc@gmail.com>

packages/nc-gui-v2/composables/useColumnCreateStore.ts

@@ -47,7 +47,8 @@ const [useProvideColumnCreateStore, useColumnCreateStore] = createInjectionState
         },
         // validation for unique column name
         {
-          validator: (rule: any, value: any, callback: (errMsg?: string) => void) => {
+          validator: (rule: any, value: any) => {
+            return new Promise<void>((resolve, reject) => {
               if (
                 meta.value?.columns?.some(
                   (c) =>
@@ -57,10 +58,10 @@ const [useProvideColumnCreateStore, useColumnCreateStore] = createInjectionState
                       (value || '').toLowerCase() === (c.title || '').toLowerCase()),
                 )
               ) {
-              callback('Duplicate column name')
+                return reject(new Error('Duplicate column name'))
               }
-
-            callback()
+              resolve()
+            })
           },
         },
       ],