[apps] Deselect table once a math command has been selected in toolbox

Change-Id: I38833ce9b803760a9ab73d87370a3bd5870c0448

apps/tool_box_controller.cpp

@@ -31,6 +31,7 @@ Node * ToolBoxController::nodeModel() {
 }
 
 bool ToolBoxController::selectLeaf(Node * selectedNode){
+  m_listViewController.deselectTable();
   ToolBoxNode * node = (ToolBoxNode *)selectedNode;
   const char * editedText = node->text();
   m_textFieldCaller->appendText(editedText);