Dragoș Tiselice c0a71e341c Added global keys to Material slices. (#5386)
Because parent structure changes when slices gets separated and
merged, children widgets can be rebuilt redundantly. This commit
adds a global key to each child so that the framework always knows
its children apart.
2016-08-15 11:13:13 -07:00
..
2016-07-27 12:43:56 -07:00