[apps] Probability: fix scrolling in calculation cells

apps/probability/calculation_controller.cpp

@@ -211,6 +211,8 @@ bool CalculationController::textFieldDidHandleEvent(::TextField * textField, Ion
      * the first responder. */
     bool shouldUpdateFirstResponder = app()->firstResponder() == textField;
     m_selectableTableView.reloadData(shouldUpdateFirstResponder);
+    // The textField frame might have increased which forces to reload the textField scroll
+    textField->scrollToCursor();
   }
   return returnValue;
 }

escher/include/escher/text_field.h

@@ -35,6 +35,7 @@ public:
   constexpr static int maxBufferSize() {
      return ContentView::k_maxBufferSize;
   }
+  void scrollToCursor();
 protected:
   class ContentView : public View {
   public:
@@ -95,7 +96,6 @@ private:
   bool privateHandleEvent(Ion::Events::Event event);
   void deleteCharPrecedingCursor();
   bool deleteEndOfLine();
-  void scrollToCursor();
   bool m_hasTwoBuffers;
   TextFieldDelegate * m_delegate;
 };