docs(home): Wrong default for preventCollision since #28397

Signed-off-by: Gabriel Dugny <gabriel.dugny@believe.com>

.changeset/tidy-paths-count.md

@@ -0,0 +1,5 @@
+---
+'@backstage/plugin-home': patch
+---
+
+docs: Update default for `preventCollision` prop

plugins/home/src/components/CustomHomepage/types.ts

@@ -95,7 +95,7 @@ export type CustomHomepageGridProps = {
   allowOverlap?: boolean;
   /**
    * Controls if widgets can collide with each other. If true, grid items won't change position when being dragged over.
-   * @defaultValue false
+   * @defaultValue true
    */
   preventCollision?: boolean;
 };