use string.equals

Author: Manikanta Nallagatla

src/WebJobs.Script/Environment/EnvironmentExtensions.cs

@@ -73,7 +73,7 @@ public static bool IsAzureMonitorEnabled(this IEnvironment environment)
             {
                 return true;
             }
-            if (value.Equals("None"))
+            if (string.Equals(ScriptConstants.DefaultAzureMonitorCategories, value, StringComparison.Ordinal))
             {
                 return false;
             }

src/WebJobs.Script/ScriptConstants.cs

@@ -227,6 +227,7 @@ public static class ScriptConstants
         public const string ExtendedPlatformChannelNameUpper = "EXTENDED";
 
         public const string AzureMonitorTraceCategory = "FunctionAppLogs";
+        public const string DefaultAzureMonitorCategories = "None";
 
         public const string KubernetesManagedAppName = "K8SE_APP_NAME";
         public const string KubernetesManagedAppNamespace = "K8SE_APP_NAMESPACE";