Update emacs to version 29.3 / rev 185 via SR 1166776
    
    https://build.opensuse.org/request/show/1166776
    by user WernerFink + anag+factory
    - Modify patch emacs-25.1-custom-fonts.patch
      * include math.h for all kinds of fonts handling (boo#1222637)
    - Modify patch emacs-27.1-Xauthority4server.patch
      * Add After=graphical-session.target in emacs.service (boo#1222172)