Unconditionally call actor->resetPosition in adjustPosition.

Revert broken change that would force adjust all actors in cell upon
loading. That break floating corpses (and probably others things).

apps/openmw/mwworld/scene.cpp

@@ -253,7 +253,7 @@ namespace
         bool operator() (const MWWorld::Ptr& ptr)
         {
             if (!ptr.getRefData().isDeleted() && ptr.getRefData().isEnabled())
-                ptr.getClass().adjustPosition (ptr, true);
+                ptr.getClass().adjustPosition (ptr, false);
             return true;
         }
     };

apps/openmw/mwworld/worldimp.cpp

@@ -1344,12 +1344,8 @@ namespace MWWorld
         }
 
         moveObject(ptr, ptr.getCell(), pos.x(), pos.y(), pos.z());
-        if (force) // force physics to use the new position
-        {
-            auto actor = mPhysics->getActor(ptr);
-            if(actor)
-                actor->resetPosition();
-        }
+        if (ptr.getClass().isActor())
+            mPhysics->getActor(ptr)->resetPosition();
     }
 
     void World::fixPosition()