Merge branch '59-labeled-bounding-boxes-become-dragged-on-deletion' into 'master'

Resolve "labeled bounding boxes become dragged on deletion"

Closes #59

See merge request troebs/pycs!54

webui/src/components/media/annotation-box.vue

@@ -12,14 +12,17 @@
         <img v-if="confirmationButton"
              alt="confirm" src="@/assets/icons/check.svg"
              @click.stop.prevent="confirmSelf"
-             @touchstart.stop.prevent="confirmSelf">
+             @touchstart.stop.prevent="confirmSelf"
+             @mousedown.stop.prevent>
         <img v-if="labelButton"
              alt="label" src="@/assets/icons/tag.svg"
              @click.stop.prevent="showLabelSelection = true"
-             @touchstart.stop.prevent="showLabelSelection = true">
+             @touchstart.stop.prevent="showLabelSelection = true"
+             @mousedown.stop.prevent>
         <img alt="delete" src="@/assets/icons/trash.svg"
              @click.stop.prevent="deleteSelf"
-             @touchstart.stop.prevent="deleteSelf">
+             @touchstart.stop.prevent="deleteSelf"
+             @mousedown.stop.prevent>
       </template>
     </div>