keep aspect ration when inserting artistic text with the text tool

BUG:305323

krita/plugins/tools/tool_text/kis_tool_text.cc

@@ -55,6 +55,11 @@ void KisToolText::finishRect(const QRectF &rect)
     if (textFactory) {
         KoShape* shape = textFactory->createDefaultShape(canvas()->shapeController()->resourceManager());
         shape->setPosition(rect.topLeft());
+        // If the shape is an artistic shape we keep the aspect ration so the text isn't streched
+        if (shapeString == "ArtisticText") {
+            qreal ratio = rect.height()/shape->size().height();
+            r.setWidth(shape->size().width()*ratio);
+        }
         shape->setSize(r.size());
         addShape(shape);