chore: remove 1-19 upgrade commands and navigation menu item feature flags (#19083)

## Summary
- Deletes the entire `1-19` upgrade version command directory (7 files,
~1500 lines) and removes all references from the upgrade module and
command runner.
- Removes `IS_NAVIGATION_MENU_ITEM_ENABLED` and
`IS_NAVIGATION_MENU_ITEM_EDITING_ENABLED` feature flags from the enum,
seed data, generated schema files, and test mocks. These flags had no
remaining feature-gated code — navigation menu items are now always
enabled.

packages/twenty-server/src/engine/core-modules/metrics/metrics.service.ts

@@ -98,7 +98,7 @@ export class MetricsService {
     counter.add(1, attributes);
 
     if (shouldStoreInCache && eventId) {
-      this.metricsCacheService.updateCounter(key, [eventId]);
+      await this.metricsCacheService.updateCounter(key, [eventId]);
     }
 
     if (isDefined(debugLog)) {
@@ -122,7 +122,7 @@ export class MetricsService {
     counter.add(eventIds.length, attributes);
 
     if (shouldStoreInCache) {
-      this.metricsCacheService.updateCounter(key, eventIds);
+      await this.metricsCacheService.updateCounter(key, eventIds);
     }
   }