fix(core): Optimizes strings / .NET 5 compatibility changes (#354)

- [X] Removes some string allocations (e.g. split)
- [X] Optimizes some collections
- [X] Converts insensitive to extension methods of built-ins.
- [X] Adds ordinal (case sensitive) string helpers
- [X] Fixes conditionals for in-game commands so they use Ordinal comparisons.
- [X] Replaces ToLower.Contains with InsensitiveContains
- [X] Adds ValueStringBuilder
- [X] Implements ValueStringBuilder in a few places where it makes sense
- [X] Removes the redundant Wrap function and replaces it with an optimized version
- [X] Fixes list conversions in Utility

Closes #351

Bumps release version

Projects/Server/World/World.cs

@@ -313,7 +313,7 @@ namespace Server
                     continue;
                 }
 
-                byte[] saveBuffer = new byte[entry.Length];
+                byte[] saveBuffer = GC.AllocateUninitializedArray<byte>(entry.Length);
                 reader.Read(saveBuffer, 0, entry.Length);
                 t.SaveBuffer = new BufferWriter(saveBuffer, true);
             }
@@ -331,7 +331,7 @@ namespace Server
             }
 
             using FileStream bin = new FileStream(dataPath, FileMode.Open, FileAccess.Read, FileShare.Read);
-            var buffer = new byte[bin.Length];
+            var buffer = bin.Length <= int.MaxValue ? GC.AllocateUninitializedArray<byte>((int)bin.Length) : new byte[bin.Length];
             bin.Read(buffer);
             bin.Close();