Always pick widest style as min width between unselected and hovered …

…in `TabBar`

(cherry picked from commit e33a95f)

scene/gui/tab_bar.cpp

@@ -1481,8 +1481,8 @@ int TabBar::get_tab_width(int p_idx) const {
 		style = theme_cache.tab_disabled_style;
 	} else if (current == p_idx) {
 		style = theme_cache.tab_selected_style;
-		// Use the unselected style's width if the hovered one is shorter, to avoid an infinite loop when switching tabs with the mouse.
-	} else if (hover == p_idx && theme_cache.tab_hovered_style->get_minimum_size().width >= theme_cache.tab_unselected_style->get_minimum_size().width) {
+		// Always pick the widest style between hovered and unselected, to avoid an infinite loop when switching tabs with the mouse.
+	} else if (theme_cache.tab_hovered_style->get_minimum_size().width > theme_cache.tab_unselected_style->get_minimum_size().width) {
 		style = theme_cache.tab_hovered_style;
 	} else {
 		style = theme_cache.tab_unselected_style;