tmux: Make selfinsert binding C-v repeatable

.config/tmux/tmux.conf

@@ -135,7 +135,8 @@ bind r switchc -T resize
 
 # Make it possible to send keys that are bound in the root key table. (C-h for
 # example is sometimes needed as backspace sequence)
-bind C-v command-prompt -k -p (selfinsert) { send "%%" }
+# TODO: Make repeatable without C-v
+bind -r C-v command-prompt -k -p (selfinsert) { send "%%" }
 
 # Synchronize the panes in the current window with `<prefix>S`
 bind S set -w synchronize-panes