fix(decorators): parameterless decorators should not return a function
fix(decorators): parameterless decorators should not return a function

tcollard/templating,PWKad/templating,hitesh97/templating,aurelia/templating,AshleyGrant/templating,cmichaelgraham/templating,aurelia/templating,jw56578/templating,michaelgeorgeattard/templating,simudream/templating,JeroenVinke/templating,jdanyow/templating,milunka/aurelia-templating,charlespockert/templating,davismj/templating,shanonvl/aurelia-templating