Problem clicking action menu (three dots) in DMS file grid #1501

app/models/dmsf_file.rb

@@ -119,9 +119,7 @@ def self.findn_file_by_name(project_id, folder, name)
   end
 
   def approval_allowed_zero_minor
-    last_revision.minor_version.zero? if Setting.plugin_redmine_dmsf['only_approval_zero_minor_version']
-
-    true
+    Setting.plugin_redmine_dmsf['only_approval_zero_minor_version'] ? last_revision.minor_version&.zero? : true
   end
 
   def last_revision

test/unit/dmsf_file_test.rb

@@ -304,4 +304,22 @@ def test_copy_to_author
     assert f
     assert_equal @jsmith.id, f.last_revision.user_id, 'Author must be updated when copying'
   end
+
+  def test_approval_allowed_zero_minor_yes
+    with_settings plugin_redmine_dmsf: { 'only_approval_zero_minor_version' => true } do
+      @file1.last_revision.minor_version = 0
+      assert @file1.approval_allowed_zero_minor
+      @file1.last_revision.minor_version = 1
+      assert_not @file1.approval_allowed_zero_minor
+    end
+  end
+
+  def test_approval_allowed_zero_minor_no
+    with_settings plugin_redmine_dmsf: { 'only_approval_zero_minor_version' => nil } do
+      @file1.last_revision.minor_version = 0
+      assert @file1.approval_allowed_zero_minor
+      @file1.last_revision.minor_version = 1
+      assert @file1.approval_allowed_zero_minor
+    end
+  end
 end