IHA: install verification

[jahzielv]

closes #33977

Checklist for submitter

If some of the following don't apply, delete the relevant line.

• Input data is properly validated, SELECT * is avoided, SQL injection is prevented (using placeholders for values in statements)

Testing

• Added/updated automated tests
• QA'd all new/changed functionality manually

[codecov]

Codecov Report

❌ Patch coverage is 58.01527% with 55 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (feat-in-house-apps@dc16c0d). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
server/datastore/mysql/in_house_apps.go	59.42%	24 Missing and 4 partials ⚠️
server/service/apple_mdm.go	48.14%	7 Missing and 7 partials ⚠️
server/datastore/mysql/vpp.go	70.00%	5 Missing and 4 partials ⚠️
server/worker/vpp_verification.go	0.00%	3 Missing and 1 partial ⚠️

Additional details and impacted files

@@                  Coverage Diff                  @@
##             feat-in-house-apps   #34317   +/-   ##
=====================================================
  Coverage                      ?   64.24%           
=====================================================
  Files                         ?     2062           
  Lines                         ?   208033           
  Branches                      ?     6863           
=====================================================
  Hits                          ?   133660           
  Misses                        ?    63868           
  Partials                      ?    10505           

Flag	Coverage Δ
backend	65.34% <58.01%> (?)

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[cdcme]

Left comments for some minor things here. Overall, looks great!