Address compiler warnings

Core/Entities/EventDefinition.cs

@@ -9,7 +9,7 @@ public class EventDefinition
     [Required]
     [StringLength(100, MinimumLength = 2)]
     [Display(Name = "Event Name")]
-    public string Name { get; set; }
+    public string Name { get; set; } = null!;
 
     [Required]
     [StringLength(40, MinimumLength = 2)]
@@ -72,7 +72,7 @@ public class EventDefinition
 
     [Required]
     [StringLength(256)]
-    public string Eligibility { get; set; }
+    public string Eligibility { get; set; } = null!;
     [StringLength(4096)]
 	public string? Theme { get; set; }
     [StringLength(1024)]

Core/Entities/EventOccurrence.cs

@@ -3,12 +3,12 @@ namespace Core.Entities
 {
 	public class EventOccurrence
 	{
-		public string Name { get; set; }
-		public string Time { get; set; }
-		public string Date { get; set; }
+		public string Name { get; set; } = null!;
+		public string Time { get; set; } = null!;
+		public string Date { get; set; } = null!;
 		public DateTime StartTime { get; set; }
 		public DateTime? EndTime { get; set; }
-		public string Location { get; set; }
+		public string Location { get; set; } = null!;
 
 		public bool SignupSubmitPickup =>
 			Name.Contains("Sign-up") ||

Core/Entities/PartialTeam.cs

@@ -2,7 +2,7 @@
 
 public class PartialTeam : Team
 {
-	public IList<Student> OmittedStudents { get; set; }
+	public IList<Student> OmittedStudents { get; set; } = null!;
 
     public override Team CloneWithOmittedStudents(IEnumerable<Student> studentsToOmit)
 	{

Core/Entities/Student.cs

@@ -10,12 +10,12 @@ public class Student : IEquatable<Student>
     [Required]
     [StringLength(50,MinimumLength = 2)]
     [Display(Name = "First Name")]
-    public string FirstName { get; set; }
+    public string FirstName { get; set; } = null!;
 
     [Required]
     [StringLength(50, MinimumLength = 2)]
     [Display(Name = "Last Name")]
-    public string LastName { get; set; }
+    public string LastName { get; set; } = null!;
 
     [Range(5,12)]
     [Display(Name = "Grade")]
@@ -44,7 +44,7 @@ public class Student : IEquatable<Student>
     [Display(Name = "Officer Role")]
     public OfficerRole? OfficerRole { get; set;  }
 
-    public List<Team> Teams { get; set; } = null;
+    public List<Team> Teams { get; set; } = null!;
     public List<EventDefinition> RankedEvents { get; } = [];
     public List<StudentEventRanking> EventRankings { get; } = [];
 

Core/Entities/StudentEventStatistics.cs

@@ -2,7 +2,7 @@
 
 public class StudentEventStatistics
 {
-    public Student Student { get; set; }
+    public Student Student { get; set; } = null!;
     public List<EventDefinition> Events { get; set; } = [];
 
     public int? TotalLevelOfEffort => Events.Sum(e => e.LevelOfEffort);

Core/Entities/Team.cs

@@ -6,7 +6,7 @@ public class Team
     public int Id { get; set; }
 
 	[Required]
-    public EventDefinition Event { get; set; }
+    public EventDefinition Event { get; set; } = null!;
 
     public List<Student> Students { get; set; } = [];