check if parents also needs to be resized on resize

Author: brachy84

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

@@ -278,7 +278,10 @@ public static void resize(IWidget parent) {
 
     @ApiStatus.Internal
     public static void resizeInternal(IWidget parent, boolean onOpen) {
-        // TODO check if widget has a parent which depends on its children
+        // check if updating this widget's pos and size can potentially update its parents
+        while (!(parent instanceof ModularPanel) && (parent.getParent() instanceof ILayoutWidget || parent.getParent().flex().dependsOnChildren())) {
+            parent = parent.getParent();
+        }
         // resize each widget and calculate their relative pos
         if (!resizeWidget(parent, true, onOpen) && !resizeWidget(parent, false, onOpen)) {
             throw new IllegalStateException("Failed to resize widgets");

src/main/java/com/cleanroommc/modularui/widget/sizer/Flex.java

@@ -311,6 +311,10 @@ public boolean dependsOnChildren(GuiAxis axis) {
         return axis.isHorizontal() ? xAxisDependsOnChildren() : yAxisDependsOnChildren();
     }
 
+    public boolean dependsOnChildren() {
+        return xAxisDependsOnChildren() || yAxisDependsOnChildren();
+    }
+
     public boolean hasFixedSize() {
         return this.x.hasFixedSize() && this.y.hasFixedSize();
     }