[BUG] camera on GR doesn't work properly

[hurricane007]

seems I hit the same issue as befor : #1911

Details

camera doesn't work properly in GR.

Backends

This bug occurs on ( insert x below )

Backend	yes	no	untested
gr (default)	x
pyplot		x
plotly		x
plotlyjs			x
pgfplotsx			x
inspectdr			x

Versions

Plots.jl version: [91a5bcdd] Plots v1.11.2
Backend version (]st -m): GR v0.57.4
Output of versioninfo():

Julia Version 1.6.0
Commit f9720dc2eb (2021-03-24 12:55 UTC)
Platform Info:
  OS: Windows (x86_64-w64-mingw32)
  CPU: Intel(R) Core(TM) i7-8665U CPU @ 1.90GHz
  WORD_SIZE: 64
  LIBM: libopenlibm
  LLVM: libLLVM-11.0.1 (ORCJIT, skylake)