CameraManager: two bugs in CameraPageWidgets, resolves cant-stop-video issue

src/FlightMap/Widgets/CameraPageWidget.qml

@@ -45,10 +45,10 @@ Column {
     property bool   _streamingEnabled:      false //TODO: determine what it should be, VideoPageWidget.qml does QGroundControl.settingsManager.videoSettings.streamConfigured
     property bool   _hasModes:              _camera && _camera.hasModes
     property bool   _videoRecording:        _camera && _camera.videoStatus === QGCCameraControl.VIDEO_CAPTURE_STATUS_RUNNING
-    property bool   _photoIdle:             _camera && _camera.photoStatus === QGCCameraControl.PHOTO_CAPTURE_IDLE
+    property bool   _photoIdle:             _camera && (_camera.photoStatus === QGCCameraControl.PHOTO_CAPTURE_IDLE || _camera.photoStatus >= QGCCameraControl.PHOTO_CAPTURE_LAST)
     property bool   _storageReady:          _camera && _camera.storageStatus === QGCCameraControl.STORAGE_READY
     property bool   _storageIgnored:        _camera && _camera.storageStatus === QGCCameraControl.STORAGE_NOT_SUPPORTED
-    property bool   _canShoot:              !_cameraModeUndefined && !_videoRecording && _photoIdle && ((_storageReady && _camera.storageFree > 0) || _storageIgnored)
+    property bool   _canShoot:              !_cameraModeUndefined && ((_storageReady && _camera.storageFree > 0) || _storageIgnored)
 
     function showSettings() {
         mainWindow.showComponentDialog(cameraSettings, _cameraVideoMode ? qsTr("Video Settings") : qsTr("Camera Settings"), 70, StandardButton.Ok)