Layer: cannot move module in new layer

[stropitek]

To reproduce:

• Open link below
• create a blank layer
• switch to that layer
• create a module
• try to move the module

You'll not be able to move it with the error: Uncaught TypeError: Cannot read property 'top' of undefined

https://www.lactame.com/visualizer/v2.74.1/?viewURL=https%3A%2F%2Fmydb.cheminfo.org%2Fdb%2Fvisualizer%2Fentry%2F9ad330691a8214bc023cb4542722ac84%2Fview.json

[lpatiny]

I still have some problems in my layer SVG where I have modules that can not be moved : https://my.cheminfo.org/?viewURL=https%3A%2F%2Fmydb.cheminfo.org%2Fdb%2Fvisualizer%2Fentry%2F8fcf268d9a86be15206e3bc1fa1dca49%2Fview.json

[stropitek]

The bug is only fixed if the layer was created with a version of the visualizer that already has the fix (for now it's only HEAD)

[lpatiny]

You know how I can fix my view ?

[lpatiny]

OK I succeded by adding position when there where not