Sample "analytics" to check if converted data is Ok

[yarikoptic]

Data resides on https://gin.g-node.org/TheChymera/vStr_phase_stim/src/master/M235 (1 sample .nwb)

• [ ] raw data: compare spike (not units/neurons) times. @manimoh will craft the script. @yarikoptic need to provide matnwb loading from that .nwb
• [ ] spike sorted data (blocked by support being added to neuroconv https://github.com/catalystneuro/neuroconv/issues/306): compare units: @manimoh will craft the script? @TheChymera will point to the file/datastructure to load using matnwb

[yarikoptic]

doh -- my comment was not finished. Overall loading using matnwb can be see in our check script https://github.com/dandi/dandisets-healthstatus/blob/main/code/checknwb.sh#L23 , also https://github.com/NeurodataWithoutBorders/matnwb#setup has basic steps outlined too