Unified set all faders methods

patternmaker.h

@@ -18,8 +18,7 @@ public:
     const DmxController *controller() const { return m_controller; }
     void setController(DmxController *controller);
 
-    Q_INVOKABLE void setAllFadersLow();
-    Q_INVOKABLE void setAllFadersMax();
+    Q_INVOKABLE void setAllFaders(quint8 value);
     Q_INVOKABLE void setPattern(int n, int k, DeviceTypeRegisterType registerType, quint8 value);
     Q_INVOKABLE void setRainbow(float phase, float advancePerLamp, int advanceEveryNLamp);