Changes to Add/remove students from a reallocation group (legacy PATCH /reports/reallocation/students)

added the new optional request property staffSteps/oneOf[#/components/schemas/ReportReallocationStaffSteps]/staffIdText

added the new optional request property staffSteps/oneOf[#/components/schemas/ReportReallocationStaffSteps]/futureWriter

added the new optional request property staffSteps/oneOf[#/components/schemas/ReportReallocationStaffSteps]/stepName

added the new optional request property staffSteps/oneOf[#/components/schemas/ReportReallocationStaffSteps]/stepType

the staffSteps/oneOf[#/components/schemas/ReportReallocationStaffSteps]/staffId request property format was generalized from int32 to int64

the studentsToAdd/items/student/oneOf[#/components/schemas/ReportStudentDto]/nameId request property format was generalized from int32 to int64

the studentsToAdd/items/student/oneOf[#/components/schemas/ReportStudentDto]/pupilId request property format was generalized from int32 to int64

the studentsToRemove/items/student/oneOf[#/components/schemas/ReportStudentDto]/nameId request property format was generalized from int32 to int64

the studentsToRemove/items/student/oneOf[#/components/schemas/ReportStudentDto]/pupilId request property format was generalized from int32 to int64