gnucash stable: Multiple changes pushed

[Robert Fewell]

Updated	 via  https://github.com/Gnucash/gnucash/commit/46fe4557 (commit)
	 via  https://github.com/Gnucash/gnucash/commit/ed03e61d (commit)
	from  https://github.com/Gnucash/gnucash/commit/c8023434 (commit)



commit 46fe45570f8adbda9ce5360b1f369d65f2c65b0e
Author: Robert Fewell <14uBobIT at gmail.com>
Date:   Fri Nov 28 14:37:04 2025 +0000

    Add CSS to make the About dialog text view
    background the same as the rest of the dialog.
    This can be over ridden by the users own CSS file.

commit ed03e61dab301f1f0d48c3ad9a2b45e7f0ce35dc
Author: Robert Fewell <14uBobIT at gmail.com>
Date:   Mon Nov 24 14:46:55 2025 +0000

    Add ability to copy About dialog configuration
    settings to the clipboard so they can all be
    pasted in one go.



Summary of changes:
 gnucash/gnome-utils/gnc-main-window.cpp | 253 ++++++++++++++++++++++++++++----
 gnucash/gnucash.css                     |  14 +-
 2 files changed, 231 insertions(+), 36 deletions(-)