docs: fix(pagination): show last page number when current + 1 equals pageCount

[BessonovMax]

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What is the current behavior?

The last page number is not shown when current + 1 === pageCount due to a strict < comparison.

What is the new behavior?

The condition has been updated to use <= to ensure the last page number is displayed properly.

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Latest commit: b8c17a2

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[alicanerdurmaz]

Hey @BessonovMax, looks great, thanks for improving Refine 🚀

Could you also fix other parts of code?

[BessonovMax]

Hey, @alicanerdurmaz, thanks for the feedback!😊
I’ve just pushed the changes you suggested — fixed all the other parts as well.
You can check them out in this commit: b8c17a2