refactor: correct new reference

Domain/Schedule/Faculty.cs

@@ -9,5 +9,6 @@ public class Faculty
 
     public int? CampusId { get; set; }
     public Campus? Campus { get; set; }
+
     public List<Group>? Groups { get; set; }
 }

Domain/Schedule/Group.cs

@@ -9,5 +9,6 @@ public class Group
 
     public int? FacultyId { get; set; }
     public Faculty? Faculty { get; set; }
-    public List<Day>? Days { get; set; }
+
+    public List<Lesson>? Lessons { get; set; }
 }

Domain/Schedule/LectureHall.cs

@@ -7,7 +7,8 @@ public class LectureHall
     public int Id { get; set; }
     public required string Name { get; set; }
 
-    public List<ProfessorToLesson>? ProfessorToLessons { get; set; }
     public int CampusId { get; set; }
     public Campus? Campus { get; set; }
+
+    public List<LessonAssociation>? LessonAssociations { get; set; }
 }

Domain/Schedule/Professor.cs

@@ -8,5 +8,5 @@ public class Professor
     public required string Name { get; set; }
     public string? AltName { get; set; }
 
-    public List<ProfessorToLesson>? ProfessorToLesson { get; set; }
+    public List<LessonAssociation>? LessonAssociations { get; set; }
 }

Domain/Schedule/TypeOfOccupation.cs

@@ -8,5 +8,5 @@ public class TypeOfOccupation
     public required string ShortName { get; set; }
     public string? FullName { get; set; }
 
-    public List<LessonToTypeOfOccupation>? Lessons { get; set; }
+    public List<Lesson>? Lessons { get; set; }
 }