fix gui alert window size

src/graphics/ui/elements/UINode.cpp

@@ -195,7 +195,8 @@ glm::vec2 UINode::getSize() const {
 
 void UINode::setSize(glm::vec2 size) {
     this->size = glm::vec2(
-        glm::max(minSize.x, size.x), glm::max(minSize.y, size.y)
+        glm::max(minSize.x, glm::min(maxSize.x, size.x)),
+        glm::max(minSize.y, glm::min(maxSize.y, size.y))
     );
 }
 
@@ -208,6 +209,15 @@ void UINode::setMinSize(glm::vec2 minSize) {
     setSize(getSize());
 }
 
+glm::vec2 UINode::getMaxSize() const {
+    return maxSize;
+}
+
+void UINode::setMaxSize(glm::vec2 maxSize) {
+    this->maxSize = maxSize;
+    setSize(getSize());
+}
+
 void UINode::setColor(glm::vec4 color) {
     this->color = color;
     this->hoverColor = color;