Fix cursor wars between panels when grabbing mouse input

src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/MatteryScreen.kt

@@ -672,6 +672,9 @@ abstract class MatteryScreen<T : MatteryMenu>(menu: T, inventory: Inventory, tit
 			panel.render(wrap, mouseXf, mouseYf, partialTick)
 		}
 
+		if (!panels.asReversed().any { it.updateCursor0() })
+			panels.asReversed().any { it.updateCursor1() }
+
 		RenderSystem.depthFunc(GL11.GL_LESS)
 		MinecraftForge.EVENT_BUS.post(Background(this, graphics, mouseX, mouseY))
 		RenderSystem.disableDepthTest()

src/main/kotlin/ru/dbotthepony/mc/otm/client/screen/panels/EditablePanel.kt

@@ -900,10 +900,24 @@ open class EditablePanel<out S : Screen> @JvmOverloads constructor(
 		if (scissor) {
 			popScissorRect()
 		}
-
-		if (isHovered || grabMouseInput) {
-			cursorType.setTo()
 	}
+
+	fun updateCursor0(): Boolean {
+		if (grabMouseInput) {
+			cursorType.setTo()
+			return true
+		}
+
+		return children.any { it.updateCursor0() }
+	}
+
+	fun updateCursor1(): Boolean {
+		if (isHovered) {
+			cursorType.setTo()
+			return true
+		}
+
+		return children.any { it.updateCursor1() }
 	}
 
 	fun updateAbsolutePosition() {