fix: improved type similarity detection logic.

[laststylebender14]

Summary:
Briefly describe the changes made in this PR.

Issue Reference(s):
Fixes #... (Replace "..." with the issue number)

Build & Testing:

• [ ] I ran cargo test successfully.
• [ ] I have run ./lint.sh --mode=fix to fix all linting issues raised by ./lint.sh --mode=check.

Checklist:

• [ ] I have added relevant unit & integration tests.
• [ ] I have updated the documentation accordingly.
• [ ] I have performed a self-review of my code.
• [ ] PR follows the naming convention of <type>(<optional scope>): <title>

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 86.16%. Comparing base (44a8b3e) to head (7492772).

:exclamation: Current head 7492772 differs from pull request most recent head 78caa21

Please upload reports for the commit 78caa21 to get more accurate results.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## bug/handle-merging-of-input-types #2231 +/- ## ===================================================================== + Coverage 86.04% 86.16% +0.12% ===================================================================== Files 212 212 Lines 20174 20357 +183 ===================================================================== + Hits 17358 17541 +183 Misses 2816 2816 ```

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