Change content warning shortcut to ^W

^S will freeze most terminals

toot/ui/app.py

@@ -452,12 +452,12 @@ class EntryModal(Modal):
 
 class ComposeModal(EntryModal):
     def __init__(self, stdscr, default_cw=None):
-        super().__init__(stdscr, title="Compose a toot", footer="^D to submit, ESC to quit, ^S to mark sensitive (cw)")
+        super().__init__(stdscr, title="Compose a toot", footer="^D to submit, ESC to quit, ^W to mark sensitive (cw)")
         self.cw = default_cw
         self.cwmodal = EntryModal(stdscr, title="Content warning", size=(1, 60), default=self.cw)
 
     def do_command(self, ch):
-        if ch == curses.ascii.ctrl(ord('s')):
+        if ch == curses.ascii.ctrl(ord('w')):
             self.cw = self.cwmodal.loop() or None
             self.draw()
             return True, False