Fix microsoft/WSL#5931

Author: fasterthanlime

.tmux.conf

@@ -1,6 +1,10 @@
 set-option -g default-shell /bin/zsh
 set -g default-terminal "screen-256color"
 
+# prevents '0;10;1c' from being printed, cf.
+# <https://github.com/microsoft/WSL/issues/5931>
+set -sg escape-time 50
+
 # List of plugins
 set -g @plugin "tmux-plugins/tpm"
 set -g @plugin "tmux-plugins/tmux-sensible"