Removed unused CSS classes from tab elements in MultiEditorTabsControl

Author: benibenj

src/vs/workbench/browser/parts/editor/multiEditorTabsControl.ts

@@ -1770,6 +1770,11 @@ export class MultiEditorTabsControl extends EditorTabsControl {
 			// positioned editor actions container when tabs wrap. The margin needs to
 			// be the width of the editor actions container to avoid screen cheese.
 			tabsContainer.style.setProperty('--last-tab-margin-right', tabsWrapMultiLine ? `${editorToolbarContainer.offsetWidth}px` : '0');
+
+			// Remove old css classes that are not needed anymore
+			for (const tab of tabsContainer.children) {
+				tab.classList.remove('last-in-row');
+			}
 		}
 
 		// Setting enabled: selectively enable wrapping if possible