Nearly three years after a New York company paid nearly $10.2 million for the Monrovia Nursery property in Granby and East Granby, officials and business leaders from the area are still waiting to see if it goes forward with a plan to put in a vast array of solar panels. Broadleaf Solar has outlined a plan for building a 100-megawatt solar facility on the sprawling agricultural property, and has been waiting as Monrovia phased out its plant-grow…