fix column picker dialog changing height while dragging
fix column picker dialog changing height while dragging

dfaruque/Serenity,dfaruque/Serenity,volkanceylan/Serenity,WasimAhmad/Serenity,volkanceylan/Serenity,WasimAhmad/Serenity,volkanceylan/Serenity,dfaruque/Serenity,WasimAhmad/Serenity,volkanceylan/Serenity,dfaruque/Serenity,rolembergfilho/Serenity,rolembergfilho/Serenity,rolembergfilho/Serenity,WasimAhmad/Serenity,volkanceylan/Serenity,WasimAhmad/Serenity,rolembergfilho/Serenity,rolembergfilho/Serenity,dfaruque/Serenity