ecore-wl2: Add API to return the compositor object from a given display

This patch adds a convenience function to get the wl_compositor object
from a given display

@feature

src/lib/ecore_wl2/Ecore_Wl2.h

@@ -742,6 +742,18 @@ EAPI Ecore_Wl2_Window *ecore_wl2_display_window_find_by_surface(Ecore_Wl2_Displa
  */
 EAPI Ecore_Wl2_Display *ecore_wl2_connected_display_get(const char *name);
 
+/**
+ * Gets the wl_compositor which belongs to this display
+ *
+ * @param display The Ecore_Wl2_Display to get the compositor of
+ *
+ * @return The wl_compositor associated with this display
+ *
+ * @ingroup Ecore_Wl2_Display_Group
+ * @since 1.24
+ */
+EAPI struct wl_compositor *ecore_wl2_display_compositor_get(Ecore_Wl2_Display *display);
+
 /**
  * @defgroup Ecore_Wl2_Window_Group Wayland Library Window Functions
  * @ingroup Ecore_Wl2_Group

src/lib/ecore_wl2/ecore_wl2_display.c

@@ -1200,3 +1200,10 @@ ecore_wl2_connected_display_get(const char *name)
 
    return ewd;
 }
+
+EAPI struct wl_compositor *
+ecore_wl2_display_compositor_get(Ecore_Wl2_Display *display)
+{
+   EINA_SAFETY_ON_NULL_RETURN_VAL(display, NULL);
+   return display->wl.compositor;
+}