I found where it is.
ExplorerFrame.dll > 40960 > Line 122 to 126 :
<UIBase layoutpos="left" customlayout="featureenabledlayout(Feature_CloudFileStateIcon,1)">
<UIBase layoutpos="left" customlayout="firstvisibleelementonlylayout()" contentalign="middleleft" minsize="size(0rp,0rp)" visibleminsize="size(34rp,52rp)">
<UIProperty id="atom(StateIcons)" layoutpos="right" propertycanonicalname="System.StorageProviderUIStatus" contentalign="middleleft" minsize="size(34rp,0rp)" padding="rect(0,0,2rp,0)" iconsize="12rp" icondisplaylimit="2"/>
</UIBase>
</UIBase>
Obviously, it's "size(34rp,52rp)". But, when change anything in 40960 or other in ExplorerFrame.dll, the TilesView don't work anymore, blank page, no icons. All others icons View work, but no TilesView.
Thanks MS.