Support HiresScroll gesture remapping

This commit allows HiresScroll (when target is true) to map the up and
down events to gestures that support it (i.e.AxisGesture/
IntervalGesture). This check is done by checking if wheelCompatibility()
is true.

This also allows hires scroll events to send low-res scroll events as
well.

TODO: Fix bug w/ Chromium (and some other programs?) where mapping
scroll wheel to REL_WHEEL_HI_RES will cause the program to skip events
occassionally. I have literally been stuck on this bug for a week and I
still don't know what causes it. evtest shows proper scroll events,
Firefox works fine, and libinput test-gui reports proper scrolling.

src/logid/actions/gesture/IntervalGesture.cpp

@@ -25,9 +25,9 @@ IntervalGesture::IntervalGesture(Device *device, libconfig::Setting &root) :
 {
 }
 
-void IntervalGesture::press()
+void IntervalGesture::press(bool init_threshold)
 {
-    _axis = 0;
+    _axis = init_threshold ? _config.threshold() : 0;
     _interval_pass_count = 0;
 }
 
@@ -52,6 +52,11 @@ void IntervalGesture::move(int16_t axis)
     _interval_pass_count = new_interval_count;
 }
 
+bool IntervalGesture::wheelCompatibility() const
+{
+    return true;
+}
+
 bool IntervalGesture::metThreshold() const
 {
     return _axis >= _config.threshold();