Don't use gsub! incase we run across a frozen string for the body. This fixes issues with caches_action filter.
Don't use gsub! incase we run across a frozen string for the body. This fixes issues with caches_action filter.

pdfkit/pdfkit,dimko/pdfkit,ContinuityControl/pdfkit,asomanescu/pdfkit,toggl/pdfkit,cdwort/pdfkit,globalxolutions/pdfkit,gdi2290/pdfkit,christhekeele/pdfkit,centresource/pdfkit,asomanescu/pdfkit,christhekeele/pdfkit,globalxolutions/pdfkit