[Analyzers][CPP] turn on Warning 4100 (#21449)

* Analyzers CPP

Changing the warning level from 3 to 4.
change some project files to make them use the warning config in cpp props file.

* Analyzers C++ turn on warning 4706

Change Cpp.Build.props file to enable 4706
fix BugReportTool code to get rid of 4706

* Turn on warning 4100 and fix the code

* Follow c++ core guidelines

* Adapting to PR comments

src/modules/fancyzones/FancyZonesLib/SettingsObserver.h

@@ -19,7 +19,7 @@ public:
         FancyZonesSettings::instance().RemoveObserver(*this);
     }
 
-    virtual void SettingsUpdate(SettingId type) {}
+    virtual void SettingsUpdate(SettingId /*type*/) {}
 
     bool WantsToBeNotified(SettingId type) const noexcept
     {