Wrong icon size

[KOT040188]

I add an icon 16 × 16, but it increases in size over the entire width of the panel https://imgur.com/a/Q8gNUSE
Icon https://mega.nz/#!pJgjWaaR!DsALF6JIUkeRWqLpdvOHUHJRbb7_QZWU7Q5mC4OI-nA