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When DropDownList contains more than 10k items, while open the popup it takes around 25 seconds to open the popup.
Sample: https://www.syncfusion.com/downloads/support/directtrac/general/ze/Dropdown_WASM-712324391
Replication procedure:
1. Run the the attached sample.
2. Open the DropDownList component.
3. It takes around 25 seconds to open the popup in WebAssemply application.