WT Yandex map items - Version 2.3.2

Added support for displaying articles from different categories added using the WT Multicategories plugin or compatible with it.

Added label clusterization settings: turning clusters on and off, displaying the number of markers, the grid size, and selecting a cluster marker: default or image.

Category icons, label layouts, and the popup layout feature are applied more correctly if the article is selected from a child or actual result category.