Update schedule page and functionality to match new DB

[pdPinho]

Issue

Closes #179

Reason for this change

Due to some changes in our database the backend required some adjustments whilst the frontend had to match those adjustments.

Description of changes

• Updated Schedule, ScheduleModal and ScheduleModalContent to match new DB and backend.
• Updated and refactored some frontend code to use react query;
• Some miscellaneous fixes.

Description of how you validated changes

Ran docker compose up And on top of that tested multiple routes and functionalities to guarantee that things worked correctly.

Checklist

• [X] I have tested my changes locally.
• [ ] I have updated the documentation to reflect my changes.
• [ ] I have added/updated unit tests (if applicable).
• [X] My code adheres to the CONTRIBUTING GUIDE

Aditional Information

Currently missing some verifications but nothing software-breaking experience type.

[sonarcloud[bot]]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
1.1% Duplication on New Code

See analysis details on SonarCloud

[sonarcloud[bot]]

Quality Gate failed

Failed conditions
0.0% Coverage on New Code (required ≥ 80%)

See analysis details on SonarCloud

[pdPinho]

Code coverage complaint comes from DataLoader (which will be deleted in the future). And some functions (Rule). These will be addressed in the near future.