Fix wrong extend import while type constuctor and data constructor have the same name #1775
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Fix #1768.
Normally, there only one ident info has the same name as the target module, but if the type constructor and the data constructor have the same name, it will deduce two, which causes the original matching pattern to fail and fallback.
Without affecting the previous work, I re-ordered the match result by making the one with a parent in front of the one without if it has two items.