fix: Macros authorizations (#5779)

Macros policy update.

ref: #5730

db/migrate/20221102082737_change_macros_created_by_to_null.rb

@@ -0,0 +1,9 @@
+class ChangeMacrosCreatedByToNull < ActiveRecord::Migration[6.1]
+  def change
+    change_column_null :macros, :created_by_id, true
+    change_column_null :macros, :updated_by_id, true
+
+    remove_index :macros, :created_by_id, if_exists: true
+    remove_index :macros, :updated_by_id, if_exists: true
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2022_10_17_201914) do
+ActiveRecord::Schema.define(version: 2022_11_02_082737) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_stat_statements"
@@ -577,14 +577,12 @@ ActiveRecord::Schema.define(version: 2022_10_17_201914) do
     t.bigint "account_id", null: false
     t.string "name", null: false
     t.integer "visibility", default: 0
-    t.bigint "created_by_id", null: false
-    t.bigint "updated_by_id", null: false
+    t.bigint "created_by_id"
+    t.bigint "updated_by_id"
     t.jsonb "actions", default: {}, null: false
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
     t.index ["account_id"], name: "index_macros_on_account_id"
-    t.index ["created_by_id"], name: "index_macros_on_created_by_id"
-    t.index ["updated_by_id"], name: "index_macros_on_updated_by_id"
   end
 
   create_table "mentions", force: :cascade do |t|