[New+, Enterprise]Policy for showing filename extension (#35000)

* add gpo: admx, gpo utils

* todo note

* BugReport tool

* implement policy in utility

* settings ui

* remove todo comment

* code fixes

* code fixes 2

* spell fix

src/common/GPOWrapper/GPOWrapper.cpp

@@ -220,4 +220,8 @@ namespace winrt::PowerToys::GPOWrapper::implementation
         // Convert std::wstring to winrt::hstring
         return to_hstring(rules.c_str());
     }
+    GpoRuleConfigured GPOWrapper::GetConfiguredNewPlusHideTemplateFilenameExtensionValue()
+    {
+        return static_cast<GpoRuleConfigured>(powertoys_gpo::getConfiguredNewPlusHideTemplateFilenameExtensionValue());
+    }
 }

src/common/GPOWrapper/GPOWrapper.h

@@ -60,6 +60,7 @@ namespace winrt::PowerToys::GPOWrapper::implementation
         static GpoRuleConfigured GetConfiguredMwbValidateRemoteIpValue();
         static GpoRuleConfigured GetConfiguredMwbDisableUserDefinedIpMappingRulesValue();
         static winrt::hstring GPOWrapper::GetConfiguredMwbPolicyDefinedIpMappingRules();
+        static GpoRuleConfigured GetConfiguredNewPlusHideTemplateFilenameExtensionValue();
     };
 }
 

src/common/GPOWrapper/GPOWrapper.idl

@@ -64,6 +64,7 @@ namespace PowerToys
             static GpoRuleConfigured GetConfiguredMwbValidateRemoteIpValue();
             static GpoRuleConfigured GetConfiguredMwbDisableUserDefinedIpMappingRulesValue();
             static String GetConfiguredMwbPolicyDefinedIpMappingRules();
+            static GpoRuleConfigured GetConfiguredNewPlusHideTemplateFilenameExtensionValue();
         }
     }
 }