feat(tree): optimize redraw for large amount of nodes

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 96.23656% with 7 lines in your changes are missing coverage. Please review.

Project coverage is 98.81%. Comparing base (b81333d) to head (b120dbc).

Files	Patch %	Lines
lua/nui/tree/init.lua	96.15%	7 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #285 +/- ## ========================================== - Coverage 99.04% 98.81% -0.24% ========================================== Files 20 20 Lines 2733 2863 +130 ========================================== + Hits 2707 2829 +122 - Misses 26 34 +8 ```

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