refactor(gui-v2): make table name validator promise based

packages/nc-gui-v2/components/dlg/TableRename.vue

@@ -56,18 +56,20 @@ const validators = computed(() => {
         },
       },
       {
-        validator: (rule: any, value: any, callback: (errMsg?: string) => void) => {
+        validator: (rule: any, value: any) => {
+          return new Promise<void>((resolve, reject) => {
             if (/^\s+|\s+$/.test(value)) {
-            callback('Leading or trailing whitespace not allowed in table name')
+              return reject(new Error('Leading or trailing whitespace not allowed in table name'))
             }
             if (
               !(tables?.value || []).every(
                 (t) => t.id === tableMeta.id || t.table_name.toLowerCase() !== (value || '').toLowerCase(),
               )
             ) {
-            callback('Duplicate table alias')
+              return reject(new Error('Duplicate table alias'))
             }
-          callback()
+            resolve()
+          })
         },
       },
     ],