[PM-31964] - update feature flag name (#6991)

* add pm-31019-item-action-in-extension feature flag

* fix typo in flag name

Author: jaasen-livefront

src/Core/Constants.cs

@@ -255,7 +255,7 @@ public static class FeatureFlagKeys
     public const string PM27632_CipherCrudOperationsToSdk = "pm-27632-cipher-crud-operations-to-sdk";
     public const string PM30521_AutofillButtonViewLoginScreen = "pm-30521-autofill-button-view-login-screen";
     public const string PM29438_WelcomeDialogWithExtensionPrompt = "pm-29438-welcome-dialog-with-extension-prompt";
-    public const string PM31019_ItemActionInExtension = "pm-31019-item-action-in-extension";
+    public const string PM31039_ItemActionInExtension = "pm-31039-item-action-in-extension";
 
     /* Innovation Team */
     public const string ArchiveVaultItems = "pm-19148-innovation-archive";