ESP00/88 i/o labeling in DSP view

The (new) grouping method for i/o in CSD is problematic for ESP00/88 chassis. The labeling scheme has no resemblance to the physical hardware. Either the block labeling needs to be updated (so the slot number is reflected like it used to be) or the dotted line needs to have a slot number as part of the dotted line.

We will address this in next release.