Fix pooled StringBuilders not being cleared

Author: MrBlue

src/Libraries/Covalence/Formatter.cs

@@ -610,6 +610,7 @@ private static string ToTreeFormat(List<Element> tree, Dictionary<ElementType, F
             }
             finally
             {
+                sb.Length = 0;
                 stringPool.Return(sb);
             }
         }

src/Oxide.Core.csproj

@@ -18,7 +18,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Lib.Harmony" Version="2.3.1.1" />
-    <PackageReference Include="Oxide.Common" Version="2.0.40-develop" />
+    <PackageReference Include="Oxide.Common" Version="2.0.44-develop" />
     <PackageReference Include="Oxide.References" Version="2.0.*">
       <PrivateAssets>contentfiles;analyzers;build</PrivateAssets>
     </PackageReference>

src/Plugins/Watchers/FSWatcher.cs

@@ -1,4 +1,4 @@
-extern alias References;
+extern alias References;
 
 using Oxide.Core.Libraries;
 using System;
@@ -124,6 +124,7 @@ private void LoadWatcherSymlink(string path)
             }
             finally
             {
+                str.Length = 0;
                 StringPool.Return(str);
             }
         }