fix postgres ssl flag migration from legacy config

Author: jankuca

src/platform/notebooks/deepnote/legacyIntegrationConfigUtils.ts

@@ -18,7 +18,7 @@ export async function upgradeLegacyIntegrationConfig(
                 database: config.database,
                 user: config.username,
                 password: config.password,
-                sslEnabled: config.ssl
+                sslEnabled: Boolean(config.ssl)
             }).data;
 
             return metadata

src/platform/notebooks/deepnote/legacyIntegrationConfigUtils.unit.test.ts

@@ -47,8 +47,7 @@ suite('upgradeLegacyIntegrationConfig', () => {
                 port: 5432,
                 database: 'testdb',
                 username: 'testuser',
-                password: 'testpass',
-                ssl: false
+                password: 'testpass'
             };
 
             const result = await upgradeLegacyIntegrationConfig(legacyConfig);