feature:添加人员字段校验

[CodeJamz]

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[codecov-commenter]

Codecov Report

Merging #549 (72fa234) into v2.6.x_develop (f00ccac) will decrease coverage by 0.15%.
The diff coverage is 60.00%.

@@                Coverage Diff                 @@
##           v2.6.x_develop     #549      +/-   ##
==================================================
- Coverage           62.55%   62.39%   -0.16%     
==================================================
  Files                 442      442              
  Lines               27409    27438      +29     
==================================================
- Hits                17146    17121      -25     
- Misses              10263    10317      +54     

Impacted Files	Coverage Δ
itsm/ticket/validators/field.py	39.48% <60.00%> (+1.10%)	⬆️
itsm/ticket/utils.py	64.81% <0.00%> (-14.82%)	⬇️
itsm/component/notify.py	56.06% <0.00%> (-10.61%)	⬇️
itsm/ticket/tasks.py	28.11% <0.00%> (-2.41%)	⬇️
itsm/iadmin/serializers.py	71.66% <0.00%> (-1.22%)	⬇️
itsm/ticket/models/ticket.py	56.03% <0.00%> (-1.18%)	⬇️
itsm/component/utils/client_backend_query.py	34.29% <0.00%> (-0.49%)	⬇️
itsm/iadmin/views.py	48.71% <0.00%> (-0.42%)	⬇️
itsm/iadmin/models.py	91.44% <0.00%> (-0.28%)	⬇️
itsm/iadmin/contants.py	100.00% <0.00%> (ø)
... and 3 more

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