Version

5.5.1

Link to Minimal Reproduction

https://echarts.apache.org/examples/en/editor.html?c=bar-y-category-stack&code=PYBwLglsB2AEC8sDeAoFtYBsCmBzb0AJgFzLoaxgCeI2pA5CJgIYTT3kC-ANGhgB4BBfhADOpVBUo06segDdmmAK7YOGHuSrCxE8hmq0GAY2Zg8wAE5V6vKYTPNSAbXoBZGLbkAVVV_oA6tiE_t4AFsr-AGKWEP4AymYJyuwAulx2sKLYsdjisM76ZFIY0MwAtrL08djMlsZhsACi0LgQNXUNza3ttfWNLW3QHf3dQyNdg2zDfZM9M50D8xNL47OrbCtjm-vbC6NT-3Nri3tbh9BqmVKGVQBGdbZFGKJgzMYA1gxgwG-YTyUsMw7thMHpAS8wsAAO6kMCWVTPWCaQHYcogMLMUS6YoQgBmwGMyny9GyuVE6hKKJKDjeLgAHAAmAAM3Fg9IAzIy2QBOZkARl5HIALGz-Yy-WKORzWbB-VzmekpJxyOlOABuIA

Steps to Reproduce

1. Create any chart with multiple series
2. Add legend of type 'plain'
3. Set very long name for one of the series

Current Behavior

Legend label overflows the screen

Expected Behavior

Legend label has a break somewhere in the text and continues on the next line
or
Legend label is truncated with ellipsis

Environment

No response

Any additional comments?

No response