The intent of the Ctrl-T shortcut is to apply your Tools > Options settings to label positions on objects. If your settings are "Classic" (the default), then the diagram terminal labels get moved onto the sides, but the panel labels get moved to the top-left. If you want Ctrl-T to move them to Left-Top and Right-Top for controls and indicators on the panel, respectively, then you'll need to change your Tools > Options settings appropriately:
