Organisation survey course add expanded

[tfhuhtal]

This pull request includes several changes to enhance the functionality and user experience of the organisation survey feature. The updates include modifications to the translation files, improvements to the frontend components, and significant backend changes for handling courses associated with surveys.

Translation Updates:

• Added the "removeCourse" translation to public/locales/en/translation.json, public/locales/fi/translation.json, and public/locales/sv/translation.json. [1] [2] [3]

Frontend Enhancements:

• Updated EditOrganisationSurvey.jsx to include courses in the survey data and corrected the mapping of course IDs. [1] [2]
• Enhanced CourseSearchInput.tsx by adding a confirmation dialog when removing courses, using Chip for selected courses, and ensuring proper state management for date range options. [1] [2] [3] [4] [5]
• Removed unnecessary Chip component from OrganisationSurveyEditor.jsx.

Backend Enhancements:

• Created a new migration to add the organisation_survey_courses table.
• Updated organisationSurveyController.js to handle the creation and editing of organisation survey courses. [1] [2]
• Added new methods in organisationSurveys.js for managing organisation survey courses and retrieving course students. [1] [2] [3] [4] [5]

This is related to issues #1357 , #1408 and to feature-draft documentation/feature_drafts/20241217_00_opiskelijoiden_tuonti_kursseilta_organisaatiokyselyyn.md

[HRemonen]

Looks pretty solid, a bit concerned about the performance but I think time will tell and then if performance seems to be a problem it can be debugged separately!

Good job.

[HRemonen]

Not regarding this PR necessarily, but I will put it here while I remember:
Let's extract the types from this CourseSearchInput to src/client/types