Add block_on_modmode list for commands to block, should be separate from block_on_mute so pms can still work

server/src/main/resources/commands.yml

@@ -61,3 +61,8 @@ block_on_mute:
   - msg
   - reply
   - mail
+
+# These commands will be blocked when chat has been toggled off, doesn't include commands that don't show a public message.
+block_on_modmode:
+  - me
+  - say