Roadmap - Fix bar width for week layout

Changelog: fixed
EE: true

ee/app/assets/javascripts/roadmap/mixins/weeks_preset_mixin.js

@@ -115,7 +115,7 @@ export default {
             timelineBarWidth += this.getBarWidthForSingleWeek(cellWidth, date);
           }
         } else if (this.isTimeframeUnderEndDateForWeek(this.timeframe[i])) {
-          timelineBarWidth += this.getBarWidthForSingleWeek(cellWidth, itemEndDate.day + 1);
+          timelineBarWidth += this.getBarWidthForSingleWeek(cellWidth, itemEndDate.day);
           break;
         } else {
           timelineBarWidth += this.getBarWidthForSingleWeek(cellWidth, 7);

ee/spec/frontend/roadmap/mixins/weeks_preset_mixin_spec.js

@@ -201,7 +201,7 @@ describe('WeeksPresetMixin', () => {
              approximately 154px                                ^
                                                         ~ approximately 154px
         */
-        const expectedTimelineBarWidth = 488; // in px;
+        const expectedTimelineBarWidth = 462; // in px;
 
         expect(Math.floor(wrapper.vm.getTimelineBarWidthForWeeks())).toBe(expectedTimelineBarWidth);
       });