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/Geometry/Point2D.cs

@@ -55,7 +55,7 @@ namespace Server
 
         public static Point2D Parse(string value)
         {
-            var start = value.IndexOf('(', StringComparison.Ordinal);
+            var start = value.IndexOfOrdinal('(');
             var end = value.IndexOf(',', start + 1);
 
             Utility.ToInt32(value.Substring(start + 1, end - (start + 1)).Trim(), out var x);

Projects/Server/Geometry/Point3D.cs

@@ -77,7 +77,7 @@ namespace Server
 
         public static Point3D Parse(string value)
         {
-            var start = value.IndexOf('(', StringComparison.Ordinal);
+            var start = value.IndexOfOrdinal('(');
             var end = value.IndexOf(',', start + 1);
 
             Utility.ToInt32(value.Substring(start + 1, end - (start + 1)).Trim(), out var x);

Projects/Server/Geometry/Rectangle2D.cs

@@ -49,7 +49,7 @@ namespace Server
 
         public static Rectangle2D Parse(string value)
         {
-            var start = value.IndexOf('(', StringComparison.Ordinal);
+            var start = value.IndexOfOrdinal('(');
             var end = value.IndexOf(',', start + 1);
 
             Utility.ToInt32(value.Substring(start + 1, end - (start + 1)).Trim(), out var x);

Projects/Server/Geometry/WorldLocation.cs

@@ -142,7 +142,7 @@ namespace Server
 
         public static WorldLocation Parse(string value)
         {
-            var start = value.IndexOf('(', StringComparison.Ordinal);
+            var start = value.IndexOfOrdinal('(');
             var end = value.IndexOf(',', start + 1);
 
             Utility.ToInt32(value.Substring(start + 1, end - (start + 1)).Trim(), out var x);