Layer bug with Edge browser

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https://forwarn.forestthreats.org/fcav2?theme=MODIS_Forest_Change_Products&layers=FW_20210601_ALC_FW2,FW_20210609_ALC_FW2,AAB,AAD,FW_20210617_ALC_FW2,FW_20210617_1YR_FW2&mask=Forest&alphas=1,1,1,1,1,1&accgp=G04&basemap=Canvas_World_Dark_Gray_Base&extent=-8859915.3750491,5118528.6031651,-8713156.2807619,5183423.6401701

Using Edge browser, reporting a condition with the viewer where the change image will not remove after unselecting; turning on/off the ED and 1yr for a short series of dates from the Archive above.

As one steps through and selects images in ascending order to display, the most recent one selected will display, then does not remove when unselected. Selecting the next ascending date overwrites the image displayed, then will not go away when unselected (and hides everything underneath).