feat: show unknown element template id in linting and properties panel #190
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Proposed Changes
It is currently impossible to determine, without looking into the diagram, what element template is missing from your diagram on load. This is a particularly glaring issue when importing in marketplace in web modeler SM, if you haven't configured connectors.
Kinda related to: camunda/camunda-modeler#5109, I found this UX problem last minute so this is a super quick patch. Discussion is here: https://camunda.slack.com/archives/C097RLZP0MB/p1758793244155529.
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