fix imported source ranges of string token concatenation binary operations
fix imported source ranges of string token concatenation binary operations

macro arguments which consist of multiple string tokens are now correctly imported.

mgalbier/Envision,dimitar-asenov/Envision,lukedirtwalker/Envision,dimitar-asenov/Envision,Vaishal-shah/Envision,lukedirtwalker/Envision,Vaishal-shah/Envision,dimitar-asenov/Envision,lukedirtwalker/Envision,lukedirtwalker/Envision,dimitar-asenov/Envision,Vaishal-shah/Envision,dimitar-asenov/Envision,Vaishal-shah/Envision,mgalbier/Envision,mgalbier/Envision,Vaishal-shah/Envision,dimitar-asenov/Envision,lukedirtwalker/Envision,lukedirtwalker/Envision,Vaishal-shah/Envision,mgalbier/Envision,mgalbier/Envision,mgalbier/Envision