BUGFIX: Show full labels in nodetrees if possible

Previously labels were cut even if there would have been
enough space due to the constraint to 264px.
Also since 8.3 the trees can be resized and the labels
didn’t adjust to the increased width.
Now they will use the available width.

packages/react-ui-components/src/Tree/node.module.css

@@ -49,7 +49,7 @@
     composes: reset from '../reset.module.css';
     position: relative;
     display: inline-block;
-    min-width: 100%;
+    width: 100%;
     padding: .1em 0;
 
     border-left: 2px solid transparent;
@@ -89,7 +89,7 @@
 }
 
 .header__labelWrapper {
-    max-width: 264px;
+    max-width: 100%;
     overflow: hidden;
     text-overflow: ellipsis;
     display: inline-block;