rename WidgetTree.stream() to WidgetTree.flatStream()

Author: brachy84

src/main/java/com/cleanroommc/modularui/widget/WidgetTree.java

@@ -193,7 +193,7 @@ public static boolean foreachChildReverse(IWidget parent, Predicate<IWidget> con
     }
 
     /**
-     * Creates a stream of the whole sub widget tree.
+     * Creates a flat stream of the whole sub widget tree.
      * <p>
      * {@link Stream#forEach(Consumer)} on this has slightly worse performance than {@link #foreachChildBFS(IWidget, Predicate, boolean)} on
      * small widget trees and has similar performance on large widget trees. The performance is significantly better than
@@ -203,7 +203,7 @@ public static boolean foreachChildReverse(IWidget parent, Predicate<IWidget> con
      * @return stream of the sub widget tree
      */
     @SuppressWarnings("UnstableApiUsage")
-    public static Stream<IWidget> stream(IWidget parent) {
+    public static Stream<IWidget> flatStream(IWidget parent) {
         if (!parent.hasChildren()) return Stream.of(parent);
         return Streams.stream(iteratorBFS(parent));
     }