Fix ComboBox sample in BitDorpdown demo page (#12256)#12270

Cyrus-Sushiant wants to merge 1 commit into

bitfoundation:developbitfoundation/bitplatform:developfrom

Cyrus-Sushiant:12256-fix-comb-box-in-bit-dorpdown-demoCyrus-Sushiant/bitplatform:12256-fix-comb-box-in-bit-dorpdown-demoCopy head branch name to clipboard