fix: include router in dependency array for hashchange event listener in the CanvasBoard

[manu0990]

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[coderomm]

Hey @manu0990 I appreciate your effeort.
Can you explain why this PR needed ?
What it does resolve ?
Why this is best way to resolve the issue ?

[manu0990]

Hey, @coderomm I have just added router to the useEffect dependencies to clear the ESLint warning and avoid any chance of using an outdated router. It’s a safe, best-practice change that keeps the auth redirect working as intended.