* [WEB-6053] refactor: reorganize gantt components, update imports and rename components to timeline
- Removed obsolete Gantt chart components from the ce and ee directories to streamline the codebase.
- Rename gantt components to timeline components.
* [WEB-6064] refactor: reorganize common components and update imports (#5627)
- Moved various common components from the 'ce' directory to the 'core' directory for improved organization.
- Updated import paths across multiple files to reflect the new structure.
- Removed obsolete components from the 'ce' directory to streamline the codebase.
