Fix resolver-validation validation snake trap (#12850)

# Introduction
This PR might have a lot of impact on tested validation
Avoid catching programmatically thrown error

---------

Co-authored-by: Charles Bochet <charles@twenty.com>

packages/twenty-server/src/engine/core-modules/graphql/pipes/resolver-validation.pipe.ts

@@ -10,6 +10,16 @@ import { ValidationError, validate } from 'class-validator';
 
 import { UserInputError } from 'src/engine/core-modules/graphql/utils/graphql-errors.util';
 
+const safeClassValidatorValidateWrapper = async (
+  object: object,
+): Promise<ValidationError[]> => {
+  try {
+    return await validate(object);
+  } catch (error) {
+    return [];
+  }
+};
+
 @Injectable()
 export class ResolverValidationPipe implements PipeTransform {
   async transform(value: unknown, metadata: ArgumentMetadata) {
@@ -20,22 +30,17 @@ export class ResolverValidationPipe implements PipeTransform {
     }
 
     const object = plainToInstance(metatype, value);
+    const errors = await safeClassValidatorValidateWrapper(object);
 
-    try {
-      const errors = await validate(object);
+    if (errors.length === 0) {
+      // TODO shouldn't we return the object here ? As transpilation could bring mutations
+      return value;
+    }
 
-      if (errors.length > 0) {
     const errorMessage = this.formatErrorMessage(errors);
 
     throw new UserInputError(errorMessage);
   }
-    } catch (error) {
-      // If the element is not a class, we can't validate it
-      return value;
-    }
-
-    return value;
-  }
 
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
   private toValidate(metatype: Type<any>): boolean {
@@ -50,6 +55,10 @@ export class ResolverValidationPipe implements PipeTransform {
         return Object.values(error.constraints);
       }
 
+      if (error.children) {
+        return this.formatErrorMessage(error.children);
+      }
+
       return [];
     });