Passes grad_kernel_width keyword to find_peak in smurf_tune from find_all_peak. grad_kernel_width was an allowed keyword of the find_all_peak function, but it wasn't actually being passed on to find_peak! Addresses issue https://github.com/slaclab/pysmurf/issues/749.
Description
Passes
grad_kernel_widthkeyword tofind_peakinsmurf_tunefromfind_all_peak.grad_kernel_widthwas an allowed keyword of thefind_all_peakfunction, but it wasn't actually being passed on tofind_peak! Addresses issue https://github.com/slaclab/pysmurf/issues/749.