perf: optimize refresh cycles to prevent unnecessary re-renders

[Srajan-Sanjay-Saxena]

• Skip duplicate refresh() calls when already marked for refresh
• Add adaptive sleep threshold based on render complexity
• Prevent redundant hover refresh flag setting
• Reduces animation restarts from 8 to 1 in test scenarios

https://github.com/user-attachments/assets/cb6948a4-831d-454b-84d3-8dac07ded840

[Jancheng-z]

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