feat: add object/field create/update resolvers (#1963)

* feat: add object/field create/update resolvers

* fix tests

server/src/metadata/object-metadata/object-metadata.service.ts

@@ -1,28 +0,0 @@
-import { Injectable } from '@nestjs/common';
-import { InjectRepository } from '@nestjs/typeorm';
-
-import { Repository } from 'typeorm';
-
-import { ObjectMetadata } from './object-metadata.entity';
-
-@Injectable()
-export class ObjectMetadataService {
-  constructor(
-    @InjectRepository(ObjectMetadata, 'metadata')
-    private readonly fieldMetadataRepository: Repository<ObjectMetadata>,
-  ) {}
-
-  public async getObjectMetadataFromDataSourceId(dataSourceId: string) {
-    return this.fieldMetadataRepository.find({
-      where: { dataSourceId },
-      relations: ['fields'],
-    });
-  }
-
-  public async getObjectMetadataFromId(objectMetadataId: string) {
-    return this.fieldMetadataRepository.findOne({
-      where: { id: objectMetadataId },
-      relations: ['fields'],
-    });
-  }
-}