Feat/canvas model

[promise6512]

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🦋 Changeset detected

Latest commit: 80b7cd029c756db48c00b44b598ed14b7e10c4ac

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 6 packages

| Name | Type | | --------------------- | ----- | | @antv/xflow | Patch | | @antv/xflow-core | Patch | | @antv/xflow-extension | Patch | | @antv/xflow-hook | Patch | | xflow-quick-start-cra | Patch | | xflow-quick-start-umi | Patch |

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