description of transcription site is centered

CHANGELOG

 minerva (12.2.0~beta.2) unstable; urgency=medium
+  * Bug fix: description of transcription site is centered (#720)
   * Bug fix: selecting too few parameters in export doesn't throw reportable 
     error (#721)
   * Bug fix: changes in selected checkbox in add project dialog block UI (#722)

converter-graphics/src/main/java/lcsb/mapviewer/converter/graphics/bioEntity/element/species/SpeciesConverter.java

@@ -699,7 +699,9 @@ public abstract class SpeciesConverter<T extends Species> extends ElementConvert
 
     y = transcriptionSite.getPosition().getY() - DEFAULT_MODIFICATION_DIAMETER - DEFAULT_SPECIES_FONT_SIZE / 2;
     if (transcriptionSite.getName() != null && !transcriptionSite.getName().isEmpty()) {
-      drawText(new Point2D.Double(x, y), transcriptionSite.getName(), graphics, true, false);
+      Point2D centerTextPoint = new Point2D.Double(
+          transcriptionSite.getPosition().getX() + transcriptionSite.getWidth() / 2, y);
+      drawText(centerTextPoint, transcriptionSite.getName(), graphics, true, false);
     }
   }