only show shader edit button when in debug mode
only show shader edit button when in debug mode

rdmenezes/fibernavigator2,braingl/braingl,TheProjecter/braingl,TheProjecter/braingl,mhough/braingl,TheProjecter/braingl,braingl/braingl,mhough/braingl,mhough/braingl,braingl/braingl,rdmenezes/fibernavigator2