Visual bug with spell icons

I have a problem with spell icons. The problem is visible on the photo.

https://i.imgur.com/srnRtZR.jpg

Sometimes happens on first login, every time I minimize the game while the game is loading.
After the command /reloadui everything returns to normal, but some addons stop working (IceHud, Milk's Scrolling Battle Text, SquawkAndAwe etc.), then you have to shut down the game client and log in again.

Surely not only I have such a problem, how to fix it?

Missing/wrong icons? Don't alt tab when loading, /reload fixes it.
Combat log dependent addons e.g. MSBT not working, can be usually fixed via macro:

Code:

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/run local f = CreateFrame("frame",nil, UIParent); f:SetScript("OnUpdate", CombatLogClearEntries);

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Or get addon for "combat log fix".

I usually combine that macro with self-buff, or mount for ease of use.