refactor: excel cleanup (#734)

* refactor: remove import of project data from excel

apps/server/src/services/ConfigService.ts

@@ -2,7 +2,7 @@ import { Low } from 'lowdb';
 import { JSONFile } from 'lowdb/node';
 import { join } from 'path';
 
-import { getAppDataPath } from '../setup.js';
+import { getAppDataPath, isTest } from '../setup.js';
 
 interface Config {
   lastLoadedProject: string;
@@ -35,7 +35,7 @@ class ConfigService {
   }
 
   async updateDatabaseConfig(filename: string): Promise<void> {
-    if (process.env.IS_TEST) return;
+    if (isTest) return;
 
     this.config.data.lastLoadedProject = filename;
     await this.config.write();