[Language] Enabling Defect as qualifier

[mwang87]

For example

QUERY scaninfo(MS2DATA) WHERE MS2PREC=X AND 
MOBILITY=range(min=X*0.0006775+0.40557, max=X*0.00078231+0.48817) AND 
X=defect(min=0.9, max=0.99) AND 
MS2PROD=ANY:DEFECT=defect(min=0.9,max=0.99):INTENSITYPERCENT=10