Only the wind pressure plot is created in no-data case
In a G17 case with no winds data, only the pressure plot was created (no wind speed plot). Even though there is nothing useful in the plot it seems more consistent and possibly automation-friendly to create both.
Test product file saved off here: `chai:/home/graemem/workspace/aitf_2_1_beta1/ql/null_winds_case/CG_ABI-L2-DMWC-M6C07_G17_s20210600006176_e20210600008560_c20221812045500.nc
The tested software version was v2.1b1 / quicklooks v0.8.