Merge pull request #14617 from jbrundage/timeline_20210225

HPCC-25418 Timeline widget props standardized

Reviewed-By: Gordon Smith <gordon.smith@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>

esp/src/src/Timings.ts

@@ -405,6 +405,8 @@ export class WUTimelineEx extends WUTimeline {
 
     constructor() {
         super();
+        this._gantt.bucketHeight(16);
+        this.strokeWidth(0);
     }
 
     data(): any;