Add missing flatpak plugin to entry points

pyproject.toml

@@ -18,6 +18,7 @@ decman = "decman.app:main"
 systemd = "decman.plugins.systemd:Systemd"
 pacman = "decman.plugins.pacman:Pacman"
 aur = "decman.plugins.aur:AUR"
+flatpak = "decman.plugins.flatpak:Flatpak"
 
 [dependency-groups]
 dev = [

src/decman/core/command.py

@@ -206,7 +206,7 @@ def _run_parent(master_fd: int, pid: int) -> tuple[int, str]:
     # Helper function to set PTY window size to the current terminal size
     def resize_pty(*args):
         try:
-            rows, cols = shutil.get_terminal_size()
+            cols, rows = shutil.get_terminal_size()
             winsz = struct.pack("HHHH", rows, cols, 0, 0)
             fcntl.ioctl(master_fd, termios.TIOCSWINSZ, winsz)
         except OSError: