fix zoom; span length and zoom to current time

SAS/TMSS/frontend/tmss_webapp/src/layout/sass/_timeline.scss

@@ -218,6 +218,10 @@
 }
 
 .timeline-zoom-and-move {
+  .p-dropdown {
+    width: 7rem !important;
+  }
+
   .zoom-selector-container {
     margin-right: 1rem;
 

SAS/TMSS/frontend/tmss_webapp/src/routes/Timeline/helpers/toolbar/zoomandmove.helper.js

@@ -108,7 +108,8 @@ function getZoomTimesHoursMinutes(selectedZoomLevel, selectedTime) {
  * @return {{start: moment, end: moment}}
  */
 export function getZoomTimes(selectedZoomLevel, selectedTime, startDate) {
-    let newSelectedTime = moment(startDate).format(UIConstants.CALENDAR_DATETIME_FORMAT)
+    const currentTime = moment().utc().format(UIConstants.CALENDAR_TIME_FORMAT).split(":")
+    let newSelectedTime = moment(moment(startDate).set({hour: currentTime[0], minutes: currentTime[1]})).format(UIConstants.CALENDAR_DATETIME_FORMAT)
     if (selectedTime !== undefined) {
         const selectedMoment = moment(moment(startDate).format(UIConstants.CALENDAR_DEFAULTDATE_FORMAT) + " " + selectedTime, UIConstants.CALENDAR_DATETIME_FORMAT);
         newSelectedTime = selectedMoment.isValid() ? selectedMoment : newSelectedTime