section right legend label breaks over to next line even though there is enough space

### What happened? my "left" legend label is pretty long (more than 50% of the space) but according to https://github.com/grafana/grafana/blob/main/packages/grafana-ui/src/components/VizLegend/VizLegendList.tsx#L115 the right label starts at 50% and doesnt shrink below it so it breaks into the next line <img width="647" height="202" alt="Image" src="https://github.com/user-attachments/assets/14b9a0fd-803b-497a-ac8a-61f7de91e9c7" /> recommendation: make flex basis 0 that way it grows to fit even below 50% (i can also see maybe 25% if you want to make sure it doesnt get squished too much under certain circumstances 🤔) ### What did you expect to happen? there is enough space for both so i was hoping theyd be in the same line ### Did this work before? probably not ### How do we reproduce it? 1. make a visualisation with 2 queries 2. override one query to axis > placement right 3. adjust the width of the first query to be more than 50% 4. it breaks ### Is the bug inside a dashboard panel? no (kinda but screen dependent) ### Environment (with versions)? Grafana: v12.3.1 OS: - Browser: firefox ### Grafana platform? Kubernetes ### Datasource(s)? _No response_