New layers' z-index could be wrong. #732
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If a layer is deleted and then a new layer is added, the new layer's z-index can be the same as an existing layer. This changes the default z-index logic to be one greater than any existing layer's z-index. Also, if a layer is set explicitly to the same z-index of another layer, layers are shifted up one z-index value to ensure that all layers have unique z-indices.
matthewma7
approved these changes
Aug 31, 2017
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If a layer is deleted and then a new layer is added, the new layer's z-index can be the same as an existing layer.
This changes the default z-index logic to be one greater than any existing layer's z-index. Also, if a layer is set explicitly to the same z-index of another layer, layers are shifted up one z-index value to ensure that all layers have unique z-indices.