Revert "Move workshop host validation from controller to model" - #3060

Revert "Move workshop host validation from controller to model"#3060

mroderick merged 2 commits into

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davidmillen50:revert-3058-2939-move-physical-workshop-needs-a-host-validation-onto-modeldavidmillen50/planner:revert-3058-2939-move-physical-workshop-needs-a-host-validation-onto-modelCopy head branch name to clipboard