You can just use the alternate HUD in GZDooM. You can adjust the alternate hud to look a lot like the regular fullscreen one it shouldn't be big in the alternate HUD.
Zandronum works really well all of my mods work on it still after all these years. GZDooM 4 is pretty experimental and high tech a lot of mods broke with that release so GZDooM 3 would work although it wont effect the HUD issue. Have to use alternate or a custom HUD wad / pk3 that constrains the icons. Or a HUD that doesn't request icons from the original game wad. I'll see if I can just upload the HUD right now ill do a video on it later. Busy developing a game at the moment so Kind of gave up on this stuff for now.
Edit: released the HUD but its for Brutal DooM, never made the vanilla version so if you're on vanilla doom it wont work.
Nickelbawker
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