chore: improve Select custom tag demo (#30249)
chore: improve Select custom tag demo (#30249)

close #30224
zheeeng/ant-design,icaife/ant-design,icaife/ant-design,elevensky/ant-design,ant-design/ant-design,ant-design/ant-design,icaife/ant-design,zheeeng/ant-design,elevensky/ant-design,zheeeng/ant-design,ant-design/ant-design,ant-design/ant-design,elevensky/ant-design,icaife/ant-design,zheeeng/ant-design,elevensky/ant-design