fix: tree-select trigger twice change event

Author: tangjinzhou

components/vc-tree-select/src/SearchInput.jsx

@@ -142,7 +142,6 @@ const SearchInput = {
           <BaseInput
             type="text"
             ref={this.inputRef}
-            onInput={handleInputChange}
             onChange={handleInputChange}
             onKeydown={onSearchInputKeyDown}
             value={searchValue}