Fix comparison operator for distance checks

[TKTK123456]

If this PR fixes an issue, link it below. If not, delete these two lines.
Resolves #3737

Description:

Fixing the distance to make it so that structures exactly 15 tiles apart will have rail network.

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• I have added screenshots for all UI updates
• I process any text displayed to the user through translateText() and I've added it to the en.json file
• I have added relevant tests to the test directory
• I confirm I have thoroughly tested these changes and take full responsibility for any bugs introduced

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tktk1234567
Display name 2TKTK1234567

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All committers have signed the CLA.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 97868fe1-fc70-40c5-96cf-e322857e29e1

📥 Commits

Reviewing files that changed from the base of the PR and between 81c2764 and 5c162ab.

📒 Files selected for processing (1)

• src/core/game/RailNetworkImpl.ts

🚧 Files skipped from review as they are similar to previous changes (1)

• src/core/game/RailNetworkImpl.ts

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Walkthrough

Adjusts two distance-comparison operators in the rail network so stations exactly at the configured minimum range are considered eligible for ghost path creation and actual connections, aligning connection logic with structure placement rules.

Changes

Cohort / File(s)	Summary
Rail network distance comparisons src/core/game/RailNetworkImpl.ts	Modified two comparison operators: changed <= minRangeSquared to < minRangeSquared in ghost-path filtering, and > minRangeSquared to >= minRangeSquared in neighbor connection gating so equal-distance stations are allowed to link.

Estimated Code Review Effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Poem

Lines flipped, the gap is small —
Fifteen tiles now heed the call,
Ghosts connect and rails align,
Two small signs, one changed design,
Tracks meet true where structures sprawl. 🚂

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely summarizes the main change: fixing comparison operators for distance checks in rail network code.
Description check	✅ Passed	The description is related to the changeset, explaining that the fix enables structures exactly 15 tiles apart to form rail networks.
Linked Issues check	✅ Passed	The code changes directly address issue #3737 by changing the two comparison operators as suggested: <= to < and > to >= in RailNetworkImpl.ts.
Out of Scope Changes check	✅ Passed	The changes are narrowly scoped to fixing the distance comparison operators in RailNetworkImpl.ts, directly addressing the linked issue without introducing unrelated modifications.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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