Chore: Update chart.js & improve performance

[chakflying]

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Description

• update chart.js to v4
• fix the ugly overlap between status bars
• reduce ticks sampling to hopefully improve performance

Type of change

Please delete any options that are not relevant.

• Other

Checklist

• My code follows the style guidelines of this project
• I ran ESLint and other linters for modified files
• I have performed a self-review of my own code and tested it
• I have commented my code, particularly in hard-to-understand areas
  (including JSDoc for methods)
• My changes generate no new warnings
• My code needed automated testing. I have added them (this is optional task)

Screenshots (if any)