ENH: Add option to disable raising the window for macosx

[greglucas]

PR Summary

This enables the rcParam "figure.raise_window" to control whether the macosx backend raises the window to the foreground or not, keeping consistency with the other backends.

closes #22915

To test this, move the window to the back and it should stay hidden.

from matplotlib import pyplot as plt
from matplotlib import rcParams

rcParams['figure.raise_window'] = False
while True:
    plt.plot()
    plt.pause(.1)

PR Checklist

Tests and Styling

• Has pytest style unit tests (and pytest passes).
• Is Flake 8 compliant (install flake8-docstrings and run flake8 --docstring-convention=all).

Documentation

• [N/A] New features are documented, with examples if plot related.
• [N/A] New features have an entry in doc/users/next_whats_new/ (follow instructions in README.rst there).
• [N/A] API changes documented in doc/api/next_api_changes/ (follow instructions in README.rst there).
• [N/A] Documentation is sphinx and numpydoc compliant (the docs should build without error).