Simple spelling error in dotnet core comments (#3746)

* Simple spelling error in dotnet core comments

Dictioary -> Dictionary

* Updated the sample files as well.

Author: jaboc83

modules/openapi-generator/src/main/resources/csharp-netcore/Multimap.mustache

@@ -277,7 +277,7 @@ namespace {{packageName}}.Client
         #region Private Members
 
         /**
-         * Helper method to encapsulate generator differences between dictioary types.
+         * Helper method to encapsulate generator differences between dictionary types.
          */
         private bool TryRemove(T key, out IList<TValue> value)
         {
@@ -299,7 +299,7 @@ namespace {{packageName}}.Client
         }
 
         /**
-         * Helper method to encapsulate generator differences between dictioary types.
+         * Helper method to encapsulate generator differences between dictionary types.
          */
         private bool TryAdd(T key, IList<TValue> value)
         {

samples/client/petstore/csharp-netcore/OpenAPIClient/src/Org.OpenAPITools/Client/Multimap.cs

@@ -286,7 +286,7 @@ public void Add(T key, TValue value)
         #region Private Members
 
         /**
-         * Helper method to encapsulate generator differences between dictioary types.
+         * Helper method to encapsulate generator differences between dictionary types.
          */
         private bool TryRemove(T key, out IList<TValue> value)
         {
@@ -295,7 +295,7 @@ private bool TryRemove(T key, out IList<TValue> value)
         }
 
         /**
-         * Helper method to encapsulate generator differences between dictioary types.
+         * Helper method to encapsulate generator differences between dictionary types.
          */
         private bool TryAdd(T key, IList<TValue> value)
         {