Merge pull request #3176 from node-red/long-module-names

Improve handling of long labels in TreeList

packages/node_modules/@node-red/editor-client/src/js/ui/common/treeList.js

@@ -537,6 +537,7 @@
             var labelPaddingWidth = (item.gutter ? item.gutter[0].offsetWidth + 2 : 0) + (depth * 20)
             item.treeList.labelPadding = $('<span>').css({
                 display: "inline-block",
+                "flex-shrink": 0,
                 width:  labelPaddingWidth+'px'
             }).appendTo(label);