fix: two issues with board rename and iframes (#2215)

src/validations/boards.ts

@@ -1,8 +1,15 @@
 import { DEFAULT_THEME, MANTINE_COLORS, MantineColor } from '@mantine/core';
 import { z } from 'zod';
-import { BackgroundImageAttachment, BackgroundImageRepeat, BackgroundImageSize } from '~/types/settings';
+import {
+  BackgroundImageAttachment,
+  BackgroundImageRepeat,
+  BackgroundImageSize,
+} from '~/types/settings';
 
-export const configNameSchema = z.string().regex(/^[a-zA-Z0-9-_\s()]+$/);
+export const configNameSchema = z
+  .string()
+  .regex(/^[a-zA-Z0-9-_\s()]+$/)
+  .min(1);
 
 export const createBoardSchemaValidation = z.object({
   name: configNameSchema,