chore: add a workaround method for goroutine order problem

[donch1989]

Because

• the controller probe mechanism failed sometimes

This commit

• fix the problem caused by order of goroutines

[linear]

INS-951 find out the root clause that sometimes controller can not successfully check connector

Maybe it is caused by the slow startup for connector when first downloading Airbyte image. Need to look into this deeper.

cc heiru

[codecov]

Codecov Report

Patch and project coverage have no change.

Comparison is base (83c4b3c) 12.08% compared to head (6a21533) 12.08%.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #41   +/-   ##
=======================================
  Coverage   12.08%   12.08%           
=======================================
  Files           4        4           
  Lines         596      596           
=======================================
  Hits           72       72           
  Misses        520      520           
  Partials        4        4           

Flag	Coverage Δ
unittests	12.08% <ø> (ø)

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[heiruwu]

LGTM