Improve seeds 3 (#12740)

- Fix an issue where custom object were seeded with 2 views, and with
the wrong icon
- ACME becomes YCombinator
- Allow 2 workspaces to have different metadata seeded
- Add many seeds for messages
- Add many seeds for calendar events
- Randomize createdBy for person and companies

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Co-authored-by: greptile-apps[bot] <165735046+greptile-apps[bot]@users.noreply.github.com>

packages/twenty-server/src/engine/metadata-modules/object-metadata/services/object-metadata-related-records.service.ts

@@ -35,7 +35,7 @@ export class ObjectMetadataRelatedRecordsService {
       type: 'table',
       name: `All ${objectMetadata.labelPlural}`,
       key: 'INDEX',
-      icon: objectMetadata.icon,
+      icon: 'IconList',
     });
   }