[charts-pro] Fix initial render for zoom slider selection

[bernardobelchior]

First part of #18018:

Implementation detail: pointer down does "nothing" and pointer move set the zoom to the closest valid state

Screen.Recording.2025-06-03.at.16.16.21.mov

This PR changes the zoom slider to only update the chart's zoom when making a selection on pointer move, instead of pointer down.

[mui-bot]

Deploy preview: https://deploy-preview-18208--material-ui-x.netlify.app/

Bundle size report

Total Size Change:^{${\tiny{\color{green}▼}}$}-1.13KB^(-0.01%) - Total Gzip Change:^{${\tiny{\color{green}▼}}$}-242B^(-0.01%)
Files: 120 total (0 added, 0 removed, 5 changed)

Show 5 more bundle changes

@mui/x-charts-pro parsed:^{${\tiny{\color{green}▼}}$}-227B^(-0.07%) gzip:^{${\tiny{\color{green}▼}}$}-58B^(-0.06%)
@mui/x-charts-pro/BarChartPro parsed:^{${\tiny{\color{green}▼}}$}-225B^(-0.10%) gzip:^{${\tiny{\color{green}▼}}$}-44B^(-0.06%)
@mui/x-charts-pro/ChartZoomSlider parsed:^{${\tiny{\color{green}▼}}$}-225B^(-0.33%) gzip:^{${\tiny{\color{green}▼}}$}-51B^(-0.21%)
@mui/x-charts-pro/LineChartPro parsed:^{${\tiny{\color{green}▼}}$}-225B^(-0.10%) gzip:^{${\tiny{\color{green}▼}}$}-40B^(-0.05%)
@mui/x-charts-pro/ScatterChartPro parsed:^{${\tiny{\color{green}▼}}$}-225B^(-0.11%) gzip:^{${\tiny{\color{green}▼}}$}-49B^(-0.07%)

Details of bundle changes

Generated by 🚫 dangerJS against 8c36c10

[codspeed-hq]

CodSpeed Performance Report

Merging #18208 will not alter performance

_{Comparing bernardobelchior:charts-zoom-slider-range-selection-improv (f03c0e8) with master (4f5baba)}

Summary

✅ 9 untouched benchmarks

[alexfauquette]

Looks like it simplifies the code 🙃

[bernardobelchior]

Looks like it simplifies the code 🙃

Yes, it does 😄