loop task not reset begintime

[kakj-go]

What type of this PR

/kind bugfix

What this PR does / why we need it:

The start execution time is not reset when the pipeline cyclic task is executed. The result of the reset is that the user cannot know the execution time of the cyclic task

Which issue(s) this PR fixes:

• Erda Cloud Issue Link

ChangeLog

Language	Changelog
🇺🇸 English	The pipeline does not reset the start execution time of the cyclic task
🇨🇳 中文	pipeline 不重置循环任务的开始执行时间

Need cherry-pick to release versions?

/cherry-pick release/1.4

[erda-bot]

Automated cherry pick can ONLY be triggered when this PR is MERGED!

[codecov]

Codecov Report

Merging #2816 (39dd23f) into master (2eaec92) will increase coverage by 0.10%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #2816      +/-   ##
==========================================
+ Coverage   16.86%   16.96%   +0.10%     
==========================================
  Files        1284     1285       +1     
  Lines      130955   131094     +139     
==========================================
+ Hits        22080    22245     +165     
+ Misses     106589   106552      -37     
- Partials     2286     2297      +11     

Impacted Files	Coverage Δ
...pipeline/pipengine/reconciler/taskrun/task_loop.go	80.88% <ø> (-0.28%)	⬇️
...eline/pipengine/reconciler/taskrun/taskop/queue.go	15.06% <100.00%> (+15.06%)	⬆️
modules/cmp/steve/handler.go	15.68% <0.00%> (-6.54%)	⬇️
modules/cmp/steve_request.go	0.48% <0.00%> (-0.01%)	⬇️
modules/cmp/cluster_resource.go	0.00% <0.00%> (ø)
modules/cmp/steve/parse.go	61.29% <0.00%> (ø)
modules/msp/apm/trace/trace.service.go	31.49% <0.00%> (+0.61%)	⬆️
modules/cmp/resource/report_table.go	12.84% <0.00%> (+0.87%)	⬆️
modules/monitor/apm/topology/topology.go	27.55% <0.00%> (+2.38%)	⬆️
modules/dop/services/pipeline/pipeline.go	16.70% <0.00%> (+5.31%)	⬆️
... and 3 more

[kakj-go]

test image:

not loop task cost time

loop task cost time

[sfwn]

/approve

[sfwn]

/cherry-pick release/1.4