FIX: port can be either string or number on connection test ping

src/modules/connection-test/dto/connection-test.ts

@@ -1,5 +1,5 @@
 import { ApiProperty, ApiPropertyOptional, OmitType } from '@nestjs/swagger';
-import { IsString, IsOptional, IsNumber, Max } from 'class-validator';
+import { IsString, IsOptional } from 'class-validator';
 import { DatabaseConnectionPropertiesDto } from 'src/modules/connection/dtos/connection';
 import { CreateConnectionDto } from 'src/modules/connection/dtos/connection';
 export class ColumnDto {
@@ -29,8 +29,6 @@ export class ConnectionTestPingReq {
   host: string;
 
   @ApiPropertyOptional()
-  @IsNumber()
-  @Max(65535)
   @IsOptional()
   port: number;