Mirror pad numbers when appropriate.

Fixes https://gitlab.com/kicad/code/kicad/-/issues/20459

include/plotters/plotter.h

@@ -138,6 +138,9 @@ public:
     virtual void SetPageSettings( const PAGE_INFO& aPageSettings ) { m_pageInfo = aPageSettings; }
     PAGE_INFO& PageSettings() { return m_pageInfo; }
 
+    void SetPlotMirrored( bool aMirror ) { m_plotMirror = aMirror; };
+    bool GetPlotMirrored() const { return m_plotMirror; }
+
     /**
      * Set the line width for the next drawing.
      *

pcbnew/plot_brditems_plotter.cpp

@@ -121,6 +121,8 @@ void BRDITEMS_PLOTTER::PlotPadNumber( const PAD* aPad, const COLOR4D& aColor )
 
     TEXT_ATTRIBUTES textAttrs;
 
+    textAttrs.m_Mirrored = m_plotter->GetPlotMirrored();
+
     if( padsize.x < ( padsize.y * 0.95 ) )
     {
         textAttrs.m_Angle = ANGLE_90;