coalesce some list updates (talonhub#1348)

Snippets and file manager list updates trigger more context refreshes
than necessary. Due to an indentation issue, snippets are currently
triggering 101 full context re-evaluations every time snippets
load/reload (linear to number of snippets).

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
Co-authored-by: Jeff Knaus <knaus.jeff@gmail.com>

core/snippets/snippets.py

@@ -86,9 +86,13 @@ def update_snippets():
             insertions_phrase_map.update(insertions_phrase)
             wrapper_map.update(wrappers)
 
-        ctx.lists["user.snippet"] = insertion_map
-        ctx.lists["user.snippet_with_phrase"] = insertions_phrase_map
-        ctx.lists["user.snippet_wrapper"] = wrapper_map
+        ctx.lists.update(
+            {
+                "user.snippet": insertion_map,
+                "user.snippet_with_phrase": insertions_phrase_map,
+                "user.snippet_wrapper": wrapper_map,
+            }
+        )
 
 
 def get_snippets() -> list[Snippet]:

tags/file_manager/file_manager.py

@@ -331,8 +331,12 @@ def clear_lists():
         or len(ctx.lists["self.file_manager_files"]) > 0
     ):
         current_folder_page = current_file_page = 1
-        ctx.lists["self.file_manager_directories"] = []
-        ctx.lists["self.file_manager_files"] = []
+        ctx.lists.update(
+            {
+                "self.file_manager_directories": [],
+                "self.file_manager_files": [],
+            }
+        )
         folder_selections = []
         file_selections = []
 
@@ -371,8 +375,12 @@ def update_lists(path=None):
             files = {}
 
     current_folder_page = current_file_page = 1
-    ctx.lists["self.file_manager_directories"] = directories
-    ctx.lists["self.file_manager_files"] = files
+    ctx.lists.update(
+        {
+            "self.file_manager_directories": directories,
+            "self.file_manager_files": files,
+        }
+    )
 
     folder_selections = list(set(directories.values()))
     folder_selections.sort(key=str.casefold)