Grid not visible on 2nd instance

[Steve-Mcl]

Current Behavior

If the renderer is used more than once, the grid is not displayed on 2nd (in the DOM) instance

Expected Behavior

Grid should be visible

Steps To Reproduce

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Environment

• FlowFuse version: NA
• Node.js version:
• npm version:
• Platform/OS: Windows
• Browser: chrome

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[Steve-Mcl]

Inspecting the DOM, it is related to the SVGs in that the grid def id #grid is not resolved in the 2nd SVG due to (potentially) duplicate #grid refs. Not sure how to address a ref element - may need to auto gen the ID or see if a class or other other relative identifier can be used in the ref url for generating the grid.