[Launcher] Use a keyboard hook in the runner to invoke the Launcher (#6660)

* Added a keyboard hook to the runner

* Update RootKeyboardHook

* Enable reading the whole JsonObject property

* Renamed RootKeyboardHook to CentralizedKeyboardHook

* Fixed build break, changed callback return type to bool

* Added Hotkey struct which somehow went missing

+ Cherry-pick fixes

* Reorganized the kb hook

* Basic version works

* Various fixes

* Finishing touches

* Fix potential threading issue

* int -> size_t

* Add default initializers to the Hotkey struct

* Added a suggested comment

* Unified a constant

* Use C# classes instead of native calls for sync

* Added a claryfing comment

* Use std::move

* Renamed a method

* Possible fix for compilation errors

* Fix a regression

* Show a message on failure

* Added DISABLE_LOWLEVEL_HOOK support

* Allow running Launcher as standalone

* Rename string constants

src/common/settings_objects.cpp

@@ -343,6 +343,11 @@ namespace PowerToysSettings
         return m_json.GetNamedObject(L"properties").GetNamedObject(property_name).GetNamedObject(L"value");
     }
 
+    json::JsonObject PowerToyValues::get_raw_json()
+    {
+        return m_json;
+    }
+
     std::wstring PowerToyValues::serialize()
     {
         set_version();