Refactor logging setup across multiple modules to use loguru with consistent configuration

- Updated logging initialization in MessageCalendar, admin_edit_prof, elsa_main, graph, iconLine, searchPage, and richtext modules to use loguru.
- Changed log rotation and retention settings for log files to improve log management.
- Replaced logger.debug/info calls with log.debug/info for consistency.
- Fixed a typo in the searchPage UI and updated related references in the UI files.
- Removed unused imports and cleaned up code for better readability.

src/utils/__init__.py

@@ -1,5 +1,3 @@
-from .blob import create_blob
 from .icon import Icon
-from .pickles import dump_pickle, load_pickle
 from .sortgenerator import app_sort, name_sort
 from .richtext import SemesterDocument