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* Since migrating to Photon, the listeners of the IPersistencyService must be seemingly installed in the init phase. By that, the corresponding listeners are also aware of model loading. * Also, remove an unneeded cast to avoid a warning. Issue-Ref: 3540 Issue-Url: https://af3-developer.fortiss.org/issues/3540 Signed-off-by: Alexander Diewald <firstname.lastname@example.org>