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[scopehal-apps] azonenberg 365a7d3 - Refactoring of FilterGraphEditor collision detection
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[scopehal-apps] azonenberg 141b4e8 - FilterGraphEditor: When physics pushes a node outside a group, expand the group to match. Fixes #643.
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[scopehal-apps] azonenberg closed issue #643: When moving a node inside a filter graph group, it should not be able to push other nodes out of the group. Enlarge the group if needed - https://github.com/ngscopeclient/scopehal-apps/issues/643