fix: search for definitions from dependent packages first

[sdghchj]

Describe the PR
If a type is an alias type from a dependent package and they share the same short package name and type name, the dependent type will be hidden. So this PR will search for type definitions from dependent packages first.

Relation issue
#1662

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (e9d0aa5) 83.56% compared to head (be22bb5) 83.56%.

❗ Current head be22bb5 differs from pull request most recent head bb3889f. Consider uploading reports for the commit bb3889f to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1666   +/-   ##
=======================================
  Coverage   83.56%   83.56%           
=======================================
  Files          19       19           
  Lines        3820     3821    +1     
=======================================
+ Hits         3192     3193    +1     
  Misses        533      533           
  Partials       95       95           

Files Changed	Coverage Δ
packages.go	89.15% <100.00%> (+0.03%)	⬆️

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[ubogdan]

Not sure about the change impact. You should write to cover this change. Approved.