refactor: validate objectMetadataItem with Zod on creation and update… (#4270)

* refactor: validate objectMetadataItem with Zod on creation and update & remove logic from useObjectMetadataItemForSettings

* refactor: review

packages/twenty-front/src/utils/validation-schemas/__tests__/camelCaseStringSchema.test.ts

@@ -0,0 +1,22 @@
+import { SafeParseError } from 'zod';
+
+import { camelCaseStringSchema } from '../camelCaseStringSchema';
+
+describe('camelCaseStringSchema', () => {
+  it('validates a camel case string', () => {
+    const result = camelCaseStringSchema.safeParse('camelCaseString');
+    expect(result.success).toBe(true);
+  });
+
+  it('fails for non-camel case strings', () => {
+    const result = camelCaseStringSchema.safeParse('NotCamelCase');
+    expect(result.success).toBe(false);
+    expect((result as SafeParseError<string>).error.errors).toEqual([
+      {
+        code: 'custom',
+        message: 'String should be camel case',
+        path: [],
+      },
+    ]);
+  });
+});

packages/twenty-front/src/utils/validation-schemas/camelCaseStringSchema.ts

@@ -0,0 +1,8 @@
+import camelCase from 'lodash.camelcase';
+import { z } from 'zod';
+
+export const camelCaseStringSchema = z
+  .string()
+  .refine((value) => camelCase(value) === value, {
+    message: 'String should be camel case',
+  });