chore: change default decorators to NULL

Author: averissimo

R/tm_g_distribution.R

@@ -132,7 +132,7 @@ tm_g_distribution <- function(label = "Distribution Module",
                               plot_width = NULL,
                               pre_output = NULL,
                               post_output = NULL,
-                              decorators = list()) {
+                              decorators = NULL) {
   message("Initializing tm_g_distribution")
 
   # Requires Suggested packages
@@ -184,7 +184,7 @@ tm_g_distribution <- function(label = "Distribution Module",
   checkmate::assert_multi_class(pre_output, c("shiny.tag", "shiny.tag.list", "html"), null.ok = TRUE)
   checkmate::assert_multi_class(post_output, c("shiny.tag", "shiny.tag.list", "html"), null.ok = TRUE)
 
-  checkmate::assert_list(decorators, "teal_transform_module")
+  checkmate::assert_list(decorators, "teal_transform_module", null.ok = TRUE)
   # End of assertions
 
   # Make UI args