map-widget: interrupt map animations on new interactions

When the map is performing zoom/pan animation and the
user performs an action that would trigger a new zoom/pan
animation, but some glitches can occurs. An example
would be when one clicks a dive in the dive list -
the zoom/pan animation will trigger, so that the map
is centered on the dive site, but if the user clicks the
[+] button to zoom-in, while the animation is running
the map will glitch.

This patch prevents such glitches by stopping
all running animations in progress when the user:
- single clicks the map
- uses the mouse-wheel to zoom
- presses the [+] / [-] buttons

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>

map-widget/qml/MapWidget.qml

@@ -128,6 +128,8 @@ Item {
 
 		MouseArea {
 			anchors.fill: parent
+			onPressed: { map.stopZoomAnimations(); mouse.accepted = false }
+			onWheel: { map.stopZoomAnimations(); wheel.accepted = false }
 			onDoubleClicked: map.doubleClickHandler(map.toCoordinate(Qt.point(mouseX, mouseY)))
 		}
 
@@ -294,6 +296,7 @@ Item {
 		MouseArea {
 			anchors.fill: parent
 			onClicked: {
+				map.stopZoomAnimations()
 				map.newCenter = map.center
 				map.newZoom = map.zoomLevel + map.zoomStep
 				if (map.newZoom > map.maximumZoomLevel)
@@ -318,6 +321,7 @@ Item {
 		MouseArea {
 			anchors.fill: parent
 			onClicked: {
+				map.stopZoomAnimations()
 				map.newCenter = map.center
 				map.newZoom = map.zoomLevel - map.zoomStep
 				mapAnimationClick.restart()