"AccountManager::updateUser()" wipes previous user data with whichever
user data is given (except for some adjustments, like resetting the
verified status when needed). As the controller overrode the properties
those properties would lose some of their attributes even if they are
not affected by the changes made by the controller. Now the controller
only modifies the attributes set ("value" and "scope") to prevent that.
Note that with this change the controller no longer removes the
"verified" status, but this is not a problem because, as mentioned,
"AccountManager::updateUser()" resets them when needed (for example,
when the value of the website property changes).
This change is a previous step to fix overwritting properties with null
values, and it will prevent the controller from making unexpected
changes if more attributes are added in the future.
Signed-off-by: Daniel Calviño Sánchez <danxuliu@gmail.com>
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