Fix change password with DomainBasedUID

When users use full domain to login (SOGoEnableDomainBasedUID) the
user attributes in the cache were not being properly updated because
in this case the key is `uid@domain` instead of just `uid`.

SoObjects/SOGo/SOGoUserManager.m

@@ -595,10 +595,11 @@ static Class NSNullK;
 		    newPassword: (NSString *) newPassword
 			   perr: (SOGoPasswordPolicyError *) perr
 {
-  NSString *jsonUser;
+  NSString *jsonUser, *userLogin;
   NSMutableDictionary *currentUser;
   BOOL didChange;
- 
+  SOGoSystemDefaults *sd;
+
   jsonUser = [[SOGoCache sharedCache] userAttributesForLogin: login];
   currentUser = [jsonUser objectFromJSONString];
 
@@ -611,9 +612,7 @@ static Class NSNullK;
       didChange = YES;
 
       if (!currentUser)
-	{
-	  currentUser = [NSMutableDictionary dictionary];
-	}
+        currentUser = [NSMutableDictionary dictionary];
 
       // It's important to cache the password here as we might have cached the
       // user's entry in -contactInfosForUserWithUIDorEmail: and if we don't
@@ -621,9 +620,13 @@ static Class NSNullK;
       // cached for the user unless its entry expires from memcached's
       // internal cache.
       [currentUser setObject: [newPassword asSHA1String] forKey: @"password"];
-      [[SOGoCache sharedCache]
-        setUserAttributes: [currentUser jsonRepresentation]
-	forLogin: login];
+      sd = [SOGoSystemDefaults sharedSystemDefaults];
+      if ([sd enableDomainBasedUID])
+        userLogin = [NSString stringWithFormat: @"%@@%@", login, domain];
+      else
+        userLogin = login;
+      [[SOGoCache sharedCache] setUserAttributes: [currentUser jsonRepresentation]
+                                        forLogin: userLogin];
     }
     else
       didChange = NO;