Add targetColumnMap to FieldMetadata (#1863)

* Add targetColumnMap to FieldMetadata

* fix

* remove console.log

* fix test

server/src/metadata/data-source/data-source.service.spec.ts

@@ -2,7 +2,6 @@ import { Test, TestingModule } from '@nestjs/testing';
 
 import { EnvironmentService } from 'src/integrations/environment/environment.service';
 import { DataSourceMetadataService } from 'src/metadata/data-source-metadata/data-source-metadata.service';
-import { EntitySchemaGeneratorService } from 'src/metadata/entity-schema-generator/entity-schema-generator.service';
 
 import { DataSourceService } from './data-source.service';
 
@@ -23,10 +22,6 @@ describe('DataSourceService', () => {
           provide: DataSourceMetadataService,
           useValue: {},
         },
-        {
-          provide: EntitySchemaGeneratorService,
-          useValue: {},
-        },
       ],
     }).compile();