Separate dialog polyfill for entering and changing labels. Fixes the issue of being unbale to change labels with firefox.
Separate dialog polyfill for entering and changing labels. Fixes the issue of being unbale to change labels with firefox.

chafey/cornerstoneTools,HorizonPlatform/cornerstoneTools,cornerstonejs/cornerstoneTools,cornerstonejs/cornerstoneTools,cornerstonejs/cornerstoneTools,leonardorame/cornerstoneTools,leonardorame/cornerstoneTools,swederik/cornerstoneTools,google/cornerstoneTools,swederik/cornerstoneTools,google/cornerstoneTools,HorizonPlatform/cornerstoneTools