fix: add item does not respect dynamic sections (#2010)

* bug: add item does not respect dynamic sections

* fix: deepsource issue

apps/nextjs/src/components/board/items/actions/empty-position.ts

@@ -0,0 +1,25 @@
+import type { Item } from "~/app/[locale]/boards/_types";
+
+export const getFirstEmptyPosition = (
+  elements: Pick<Item, "yOffset" | "xOffset" | "width" | "height">[],
+  columnCount: number,
+  rowCount = 9999,
+  size: { width: number; height: number } = { width: 1, height: 1 },
+) => {
+  for (let yOffset = 0; yOffset < rowCount + 1 - size.height; yOffset++) {
+    for (let xOffset = 0; xOffset < columnCount; xOffset++) {
+      const isOccupied = elements.some(
+        (element) =>
+          element.yOffset < yOffset + size.height &&
+          element.yOffset + element.height > yOffset &&
+          element.xOffset < xOffset + size.width &&
+          element.xOffset + element.width > xOffset,
+      );
+
+      if (!isOccupied) {
+        return { xOffset, yOffset };
+      }
+    }
+  }
+  return undefined;
+};