Make disable return an int32_t for runOnce usage

src/concurrency/OSThread.cpp

@@ -93,10 +93,12 @@ void OSThread::run()
     currentThread = NULL;
 }
 
-void OSThread::disable() 
+int32_t OSThread::disable() 
 {
     enabled = false;
     setInterval(INT32_MAX);
+    
+    return INT32_MAX;
 }
 
 /**

src/concurrency/OSThread.h

@@ -53,7 +53,7 @@ class OSThread : public Thread
 
     static void setup();
 
-    void disable();
+    int32_t disable();
 
     /**
      * Wait a specified number msecs starting from the current time (rather than the last time we were run)

src/modules/esp32/AudioModule.cpp

@@ -260,8 +260,7 @@ int32_t AudioModule::runOnce()
         return 100;
     } else {
         DEBUG_MSG("Audio Module Disabled\n");
-        enabled = false;
-        return INT32_MAX;
+        return disable();
     }
     
 }

src/mqtt/MQTT.cpp

@@ -244,8 +244,7 @@ bool MQTT::wantsLink() const
 int32_t MQTT::runOnce()
 {
     if(!moduleConfig.mqtt.enabled) {
-        enabled = false;
-        return INT32_MAX;
+        return disable();
     }
     bool wantConnection = wantsLink();