* Validate room upgrade relationships properly
Ensures only correctly related rooms are left when leaving the latest version of a room.
Ensures the room list does not wrongly hide rooms which have not yet been upgraded.
Ensures the breadcrumbs store finds the correct latest version of a room for a given stored room.
Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
* Tests
Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
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Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
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