feat: add memory cache to boost performance (#2620)

* feat: add memory cache to boost performance

* fix: tests

* fix: logging

* fix: missing commented stuff

server/src/workspace/workspace.factory.spec.ts

@@ -2,6 +2,7 @@ import { Test, TestingModule } from '@nestjs/testing';
 
 import { DataSourceService } from 'src/metadata/data-source/data-source.service';
 import { ObjectMetadataService } from 'src/metadata/object-metadata/object-metadata.service';
+import { WorkspaceSchemaStorageService } from 'src/workspace/workspace-schema-storage/workspace-schema-storage.service';
 
 import { WorkspaceFactory } from './workspace.factory';
 
@@ -31,6 +32,10 @@ describe('WorkspaceFactory', () => {
           provide: WorkspaceResolverFactory,
           useValue: {},
         },
+        {
+          provide: WorkspaceSchemaStorageService,
+          useValue: {},
+        },
       ],
     }).compile();