dirstatemap: use the default code to handle normal entry This case is quite simple. Differential Revision: https://phab.mercurial-scm.org/D11323

dirstatemap: conclude `reset_state` with logic using the new __init__ Now the DirstateItem can deal with most of the logic related to its initialization, our goal is to migrate the function to a more "unified" way were minimal processing is done early before more generic code gets into play. Nobody is calling this code yet, but this is about to change. Differential Revision: https://phab.mercurial-scm.org/D11322

dirstatemap: temporarily return early in `reset_state` We are about to migrate `addfile` to the new `DirstateItem__init__` and having these early return will the new series of patches to be clearer. Differential Revision: https://phab.mercurial-scm.org/D11321

dirstate-item: feed more information to `__init__` Instead of processing the "rich" value at the `dirstatemap` level, we can now directly pass them to the DirstateItem object. This will make the object free to store whatever its want and to implements it logic whatever its want. For now… we simply process the flag and store the same good old value. However this pave the way for doing things differently once the rest of dirstatemap code is updated. Nobody call this code yet. Differential Revision: https://phab.mercurial-scm.org/D11320