[Linux] Convert possible glib objects to GAutoPtr (#29340)

* Replace glib GError with GAutoPtr<GError> in AdapterIterator

* Replace glib GError with GAutoPtr<GError> in ChipDeviceScanner

* Replace glib GError with GAutoPtr<GError> in Bluez helper

* Replace glib GError with GAutoPtr<GError> in ConnectivityMangaerImpl

* Replace glib GVariant with GAutoPtr<GVariant> in ConnectivityManagerImpl

* Replace glib GVariant with GAutoPtr<GVariant> in Bluez helper

* Replace glib and char with GAutoPtr<char> in Bluez helper

* Replace glib and GVariantDict with GAutoPtr<GVariantDict> in Bluez helper - review

* Fix badly used MakeUniquePointerReceiver

* Review changes

* Replace g_variant_dict_lookup_value to g_variant_lookup_value in src/platform/Linux/bluez/Helper.cpp
* Add template <> struct GAutoPtrDeleter<const char *>
* Convert keyMgmts to GAutoPtr in src/platform/Linux/ConnectivityManagerImpl.cpp
* Revert in ConnectionDataBundle GVariant convert to GAutoPtr

* Review update - remove GVariantDict

* Add errorhandling for keyMgmtsHendle

src/platform/GLibTypeDeleter.h

@@ -86,6 +86,12 @@ struct GAutoPtrDeleter<char>
     using deleter = GFree;
 };
 
+template <>
+struct GAutoPtrDeleter<const char *>
+{
+    using deleter = GFree;
+};
+
 template <>
 struct GAutoPtrDeleter<GBytes>
 {