fix: disable TLS encryption by default to avoid ServerName IP address warning

- Set encrypt: false as default for SQL Server connections
- Fixes DEP0123 deprecation warning when connecting via IP address (VPN tunnel)
- trustServerCertificate option still configurable via environment variable
- Affects 6 files: sql-server.ts, bip-users-dao.ts, database/index.ts,
  database/data-source.ts, cleaner-handler.ts, validation-handler.ts

src/main/services/database/data-source.ts

@@ -40,7 +40,7 @@ function buildDataSourceOptions(): DataSourceOptions {
       password: process.env.DB_PASSWORD || '',
       database: process.env.DB_NAME || '',
       options: {
-        encrypt: process.env.DB_TRUST_SERVER_CERTIFICATE === 'yes',
+        encrypt: false,
         trustServerCertificate: process.env.DB_TRUST_SERVER_CERTIFICATE === 'yes'
       },
       ...commonOptions