fdo#46808, use service constructor for i18n::NumberFormatMapper

Also create a utility constructor for LocaleDataWrapper, which
simplifies many of the calling sites.

Change-Id: Ic8510b51c4201fa17fc0620e18d3e258e43636ba

reportdesign/source/ui/inc/Formula.hxx

@@ -26,6 +26,10 @@
 #include <com/sun/star/beans/XPropertySet.hpp>
 #include <com/sun/star/report/meta/XFormulaParser.hpp>
 
+namespace com { namespace sun { namespace star { namespace lang {
+    class XMultiServiceFactory;
+} } } }
+
 //============================================================================
 namespace rptui
 {