chore: adds missing string comparison in anticipation for conflicts

Signed-off-by: Vincent Biret <vibiret@microsoft.com>

Author: baywet

src/Microsoft.OpenApi/Reader/V2/OpenApiHeaderDeserializer.cs

@@ -95,7 +95,7 @@ internal static partial class OpenApiV2Deserializer
 
         private static readonly PatternFieldMap<OpenApiHeader> _headerPatternFields = new()
         {
-            {s => s.StartsWith(OpenApiConstants.ExtensionFieldNamePrefix), (o, p, n, _) => o.AddExtension(p, LoadExtension(p, n))}
+            {s => s.StartsWith(OpenApiConstants.ExtensionFieldNamePrefix, StringComparison.OrdinalIgnoreCase), (o, p, n, _) => o.AddExtension(p, LoadExtension(p, n))}
         };
 
         private static OpenApiSchema GetOrCreateSchema(OpenApiHeader p)

src/Microsoft.OpenApi/Reader/V2/OpenApiSchemaDeserializer.cs

@@ -7,6 +7,7 @@
 using Microsoft.OpenApi.Extensions;
 using Microsoft.OpenApi.Reader.ParseNodes;
 using Microsoft.OpenApi.Models.References;
+using System;
 
 namespace Microsoft.OpenApi.Reader.V2
 {
@@ -153,7 +154,7 @@ internal static partial class OpenApiV2Deserializer
 
         private static readonly PatternFieldMap<OpenApiSchema> _openApiSchemaPatternFields = new PatternFieldMap<OpenApiSchema>
         {
-            {s => s.StartsWith(OpenApiConstants.ExtensionFieldNamePrefix), (o, p, n, _) => o.AddExtension(p, LoadExtension(p, n))}
+            {s => s.StartsWith(OpenApiConstants.ExtensionFieldNamePrefix, StringComparison.OrdinalIgnoreCase), (o, p, n, _) => o.AddExtension(p, LoadExtension(p, n))}
         };
 
         public static OpenApiSchema LoadSchema(ParseNode node, OpenApiDocument hostDocument)

src/Microsoft.OpenApi/Reader/V2/OpenApiSecuritySchemeDeserializer.cs

@@ -77,7 +77,7 @@ internal static partial class OpenApiV2Deserializer
         private static readonly PatternFieldMap<OpenApiSecurityScheme> _securitySchemePatternFields =
             new()
             {
-                {s => s.StartsWith(OpenApiConstants.ExtensionFieldNamePrefix), (o, p, n, _) => o.AddExtension(p, LoadExtension(p, n))}
+                {s => s.StartsWith(OpenApiConstants.ExtensionFieldNamePrefix, StringComparison.OrdinalIgnoreCase), (o, p, n, _) => o.AddExtension(p, LoadExtension(p, n))}
             };
 
         public static OpenApiSecurityScheme LoadSecurityScheme(ParseNode node, OpenApiDocument hostDocument)

src/Microsoft.OpenApi/Reader/V3/OpenApiSchemaDeserializer.cs

@@ -5,6 +5,7 @@
 using Microsoft.OpenApi.Models;
 using Microsoft.OpenApi.Models.References;
 using Microsoft.OpenApi.Reader.ParseNodes;
+using System;
 using System.Collections.Generic;
 using System.Globalization;
 
@@ -171,7 +172,7 @@ internal static partial class OpenApiV3Deserializer
 
         private static readonly PatternFieldMap<OpenApiSchema> _openApiSchemaPatternFields = new()
         {
-            {s => s.StartsWith(OpenApiConstants.ExtensionFieldNamePrefix), (o, p, n, _) => o.AddExtension(p, LoadExtension(p,n))}
+            {s => s.StartsWith(OpenApiConstants.ExtensionFieldNamePrefix, StringComparison.OrdinalIgnoreCase), (o, p, n, _) => o.AddExtension(p, LoadExtension(p,n))}
         };
 
         public static OpenApiSchema LoadSchema(ParseNode node, OpenApiDocument hostDocument)

src/Microsoft.OpenApi/Reader/V3/OpenApiSecuritySchemeDeserializer.cs

@@ -69,7 +69,7 @@ internal static partial class OpenApiV3Deserializer
         private static readonly PatternFieldMap<OpenApiSecurityScheme> _securitySchemePatternFields =
             new()
             {
-                {s => s.StartsWith(OpenApiConstants.ExtensionFieldNamePrefix), (o, p, n, _) => o.AddExtension(p, LoadExtension(p,n))}
+                {s => s.StartsWith(OpenApiConstants.ExtensionFieldNamePrefix, StringComparison.OrdinalIgnoreCase), (o, p, n, _) => o.AddExtension(p, LoadExtension(p,n))}
             };
 
         public static OpenApiSecurityScheme LoadSecurityScheme(ParseNode node, OpenApiDocument hostDocument)

src/Microsoft.OpenApi/Reader/V31/OpenApiSchemaDeserializer.cs

@@ -5,6 +5,7 @@
 using Microsoft.OpenApi.Models;
 using Microsoft.OpenApi.Models.References;
 using Microsoft.OpenApi.Reader.ParseNodes;
+using System;
 using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
@@ -236,7 +237,7 @@ internal static partial class OpenApiV31Deserializer
 
         private static readonly PatternFieldMap<OpenApiSchema> _openApiSchemaPatternFields = new()
         {
-            {s => s.StartsWith(OpenApiConstants.ExtensionFieldNamePrefix), (o, p, n, _) => o.AddExtension(p, LoadExtension(p,n))}
+            {s => s.StartsWith(OpenApiConstants.ExtensionFieldNamePrefix, StringComparison.OrdinalIgnoreCase), (o, p, n, _) => o.AddExtension(p, LoadExtension(p,n))}
         };
 
         public static OpenApiSchema LoadSchema(ParseNode node, OpenApiDocument hostDocument)

src/Microsoft.OpenApi/Reader/V31/OpenApiSecuritySchemeDeserializer.cs

@@ -79,7 +79,7 @@ internal static partial class OpenApiV31Deserializer
         private static readonly PatternFieldMap<OpenApiSecurityScheme> _securitySchemePatternFields =
             new()
             {
-                {s => s.StartsWith(OpenApiConstants.ExtensionFieldNamePrefix), (o, p, n, _) => o.AddExtension(p, LoadExtension(p,n))}
+                {s => s.StartsWith(OpenApiConstants.ExtensionFieldNamePrefix, StringComparison.OrdinalIgnoreCase), (o, p, n, _) => o.AddExtension(p, LoadExtension(p,n))}
             };
 
         public static OpenApiSecurityScheme LoadSecurityScheme(ParseNode node, OpenApiDocument hostDocument)