File paths with spaces cause early command splitting on Windows CMD

[jonnyawsom3]

'Solid' file path.

hyperfine -r 1 --show-output -i "djxl "C:\Users\jonat\Downloads\Test.jxl" --disable_output"
Benchmark 1: djxl C:\Users\jonat\Downloads\Test.jxl --disable_output
JPEG XL decoder v0.12.0 3d7cec2 [AVX2,SSE2]
Decoded to pixels.
4100 x 4000,  98.436 MP/s [98.44, 98.44], , 1 reps, 16 threads.
  Time (abs ≡):        210.1 ms               [User: 1951.6 ms, System: 275.0 ms]

With a single space.

hyperfine -r 1 --show-output -i "djxl "C:\Users\jonat\Downloads\Te st.jxl" --disable_output"
Benchmark 1: djxl C:\Users\jonat\Downloads\Te
JPEG XL decoder v0.12.0 3d7cec2 [AVX2,SSE2]
couldn't load C:\Users\jonat\Downloads\Te
  Time (abs ≡):         15.7 ms               [User: 0.0 ms, System: 9.1 ms]

  Warning: Ignoring non-zero exit code.

Benchmark 2: st.jxl --disable_output
'st.jxl' is not recognized as an internal or external command,
operable program or batch file.
  Time (abs ≡):         11.5 ms               [User: 0.0 ms, System: 0.0 ms]

  Warning: Ignoring non-zero exit code.

Summary
  st.jxl --disable_output ran
    1.37 times faster than djxl C:\Users\jonat\Downloads\Te

The file path is split into separate commands with every additional space, making it quite hard to benchmark files without first moving and renaming them.