What this PR does / why we need it:
Migrates from the deprecated variable support to CustomVariableSupport. I created an issue to actually design a new proper variable editor for this with resource handlers for the backend and an issue to handle assetId and assetIds more consistently.
What this PR does / why we need it: Migrates from the deprecated variable support to
CustomVariableSupport. I created an issue to actually design a new proper variable editor for this with resource handlers for the backend and an issue to handle assetId and assetIds more consistently.Which issue(s) this PR fixes:
Fixes #233
Special notes for your reviewer: