IsValue node should use another subnode for enclosing Object
IsValue node should use another subnode for enclosing Object

Also explicitly program all cases out here.
In the end, we might be able to remove isValue on SAbstractObject

Signed-off-by: Stefan Marr <46f1a0bd5592a2f9244ca321b129902a06b53e03@stefan-marr.de>

VAISHALI-DHANOA/SOMns,smarr/SOMns,VAISHALI-DHANOA/SOMns,richard-roberts/SOMns,smarr/SOMns,smarr/SOMns,richard-roberts/SOMns,smarr/SOMns,MetaConc/SOMns,VAISHALI-DHANOA/SOMns,smarr/SOMns,smarr/SOMns,richard-roberts/SOMns,MetaConc/SOMns,richard-roberts/SOMns,smarr/SOMns,MetaConc/SOMns,richard-roberts/SOMns,richard-roberts/SOMns,richard-roberts/SOMns