#9584 is a breaking change

[B-head]

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Description

#9584 is a breaking change. The SVG transform attribute was accessible via WorkspaceSvg.getCanvas(), and replacing setAttribute('transform', ...) with style.transform in translateLayers causes getAttribute('transform') to return null. This breaks dependent code, including the official @blockly/plugin-scroll-options plugin.

Note: @blockly/plugin-scroll-options accesses the element via svgBlockCanvas_, which returns the same element as the public getCanvas().

[maribethb]

Thanks for flagging, we'll revert this change and move it to a breaking change in v13. 12.5.1 will be released shortly with a revert.