mshtml: Get DISPID_AMBIENT_SILENT and DISPID_AMBIENT_OFFLINECONNECTED property in IPersistMoniker::Load.

After more testing I've checked that current code is bad, but my patch
was also wrong and causes regression in WoW.

comctl32: toolbar: Use the width of the current button instead of nButtonWidth to position the icon.

comctl32: toolbar: Add a LayoutToolbar that works like CalcToolbar but doesn't overwrite the button sizes.

comctl32: toolbar: The string should be included in the height of a button-less toolbar only if there is a string in the pool.