Repositories are not sharing the same context

[mii9000]

https://github.com/BrainStation-23/recruitment-management-system/blob/master/Application%2FRecruitmentManagementSystem.Data%2FRepositories%2FBaseRepository.cs#L19

Repositories need to share the same context otherwise, entity pulled from one repository cannot be added to entity pulled from another repository due to having different contexts.