a lot of thread housekeeping. Switch them off when not needed / disabled.

src/input/RotaryEncoderInterruptImpl1.cpp

@@ -9,6 +9,8 @@ void RotaryEncoderInterruptImpl1::init()
 {
     if (!moduleConfig.canned_message.rotary1_enabled) {
         // Input device is disabled.
+        setInterval(INT32_MAX);
+        enabled = false;
         return;
     }