What

Moves /evm/ticketer to /evm/world_state/ticketer

Why

FA Bridge needs to access the value from the safe storage.

Simply change the path and add a migration for existing kernels.

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Provide automatic testing (see the testing guide).
For new features and bug fixes, add an item in the appropriate changelog (docs/protocols/alpha.rst for the protocol and the environment, CHANGES.rst at the root of the repository for everything else).
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