Avoid collision check of node with itself. Fixes #586 #587
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you can use https://github.com/troolee/gridstack.js/blob/develop/demo/two.html to test your fix using grey box (float grid) and it fixes the issue. Even dragging green 'Drag me" onto float grid shows the issue. |
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_packNodesdid not work correctly in floating mode for nodes of height > 1. When trying to move such a node upwards, the repositioned node intersected with its previous position. Fix this by only checking for collisions with preceding nodes instead of all nodes.