feat: support searching task by url for GetTask and DeleteTask

[gaius-qi]

Description

Related Issue

Motivation and Context

Screenshots (if appropriate)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation Update (if none of the other choices apply)

Checklist

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.

[codecov]

Codecov Report

Attention: Patch coverage is 46.42857% with 15 lines in your changes missing coverage. Please review.

Project coverage is 35.80%. Comparing base (bad6972) to head (502baef).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
manager/handlers/job.go	0.00%	6 Missing and 2 partials ⚠️
manager/job/task.go	60.00%	4 Missing and 2 partials ⚠️
scheduler/job/job.go	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3607      +/-   ##
==========================================
+ Coverage   35.77%   35.80%   +0.02%     
==========================================
  Files         339      339              
  Lines       37308    37326      +18     
==========================================
+ Hits        13348    13364      +16     
+ Misses      23125    23123       -2     
- Partials      835      839       +4     

Flag	Coverage Δ
unittests	35.80% <46.42%> (+0.02%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
pkg/idgen/task_id.go	79.06% <100.00%> (ø)
scheduler/job/job.go	0.00% <0.00%> (ø)
manager/job/task.go	69.69% <60.00%> (-2.40%)	⬇️
manager/handlers/job.go	55.55% <0.00%> (-4.45%)	⬇️

... and 5 files with indirect coverage changes

[fcgxz2003]

LGTM