Layer panel does not work as expected for layer created for orphan elements

[VenissaCarolQuadros]

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Describe the bug When a new file is imported, if elements are not part of a layer they are automatically assigned to a layer. However, the 'eye' icon in the layer panel is not visible indicating that the layer is invisible but it is not. Also, toggling this does not modify the visibility.

To Reproduce Steps to reproduce the behavior:

1. Go to https://svgedit.netlify.app/editor/index.html
2. Import the following SVG file :

   <svg width="254.00000000000003" height="105.83333" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" version="1.1" xml:space="preserve">
   <rect fill="#FF0000" height="11" id="svg_1" stroke="#000000" stroke-width="5" width="37" x="108.5" y="63.82"/>
   </svg>

3. Try toggling visibility in the LayerPanel

Expected behavior Completely functional LayerPanel for new layer created for orphan elements

SVG-Edit environment (IMPORTANT)

• File for SVG-Edit: [e.g., svg-editor.html, svg-editor-es.html, embedapi.html] ??
• Version: v7
• Protocol: https

Desktop :

• OS: Windows
• Browser Chrome
• Version 29.0.6668.72

Screenshots

Potential resolution I believe the issue is caused by 'name' not being defined. This results in it not being added to layer_map. Initializing name as 'getNewLayerName(layernames)' should resolve this.

Please let me know if I've been amiss in tracing the root cause.

[jfhenon]

you are right. fixing this.