Fix a carcass line showing Not Applicable without CBO pricing

When a project is not using CBO (cabinet-based) pricing, the carcass line takes the constructed price instead of showing Not Applicable.

1. When the project is not using CBO (cabinet-based) pricing, the price is taken as the constructed price instead.

   ✓ ১৬ অক্টোবৰ, ২০২৬ তাৰিখে প্ৰডাক্টত পৰীক্ষা কৰা হৈছে