Align .editorconfig files

When debugging only
app.Services.GetRequiredService<IPCRBService>();

Injected AppSettings instead of using GetEnvironmentVariable at Services level

Get ready to use VSCode IDE

MesaFabApproval.Shared/Models/User.cs

@@ -14,17 +14,15 @@ public class User {
     public DateTime OOOExpirationDate { get; set; }
     public int DelegatedTo { get; set; }
 
-    public string GetFullName() {
-        return $"{FirstName} {LastName}";
-    }
+    public string GetFullName() =>
+        $"{FirstName} {LastName}";
 
-    public override bool Equals(object obj) {
+    public override bool Equals(object? obj) {
         User? u = obj as User;
 
-        return u is not null && u.UserID == this.UserID;
+        return u is not null && u.UserID == UserID;
     }
 
-    public override int GetHashCode() {
-        return this.UserID.GetHashCode();
-    }
-}
+    public override int GetHashCode() =>
+        UserID.GetHashCode();
+}