Synchronize the client and host cursor when starting absolute mode capture

app/streaming/input/input.h

@@ -77,6 +77,10 @@ public:
 
     void setCaptureActive(bool active);
 
+    bool isMouseInVideoRegion(int mouseX, int mouseY, int windowWidth = -1, int windowHeight = -1);
+
+    void updateMousePositionReport(int mouseX, int mouseY);
+
     static
     QString getUnmappedGamepads();