[BUG] [C# Client]Can't get component list by GetComponentList() and locale list by GetLocaleList() in IReleaseMessages

Describe the bug
In offline mode:Can't get component list by GetComponentList() and locale list by GetLocaleList() in IReleaseMessages
Mode: Offline External Remote, Offline Internal Resx, Offline Internal Properties, Offline Internal DotNet
In mixed modes: only the online's Component List and locale List are displayed
Mode:Online With Offline Internal, Online With Offline External

To Reproduce
Steps to reproduce the behavior:
1.(The locale 'ru' only exist in offline bundle)
Such as Offline External Remote:
offline_resources_base_url: http://127.0.0.1:8094/l10ntest/CSharpClient/
l10n_version: 1.0.9
default_locale: de-DE
source_locale: en-US
default_resource_format: bundle, external
components:

• name: about
• name: index
• name: contact
• name: common
• name: RESX

2. PM = Utiloffline_disk.Messages()
   Translation.SetCurrentLocale("ru");
   String result1 = Translation.GetString("RESX", "RESX.ARGUMENT");
3. List componentlist = PM.GetComponentList();
   String result2 = Common.ParseListStringContent(componentlist)
4. List localelist = PM.GetLocaleList();
   String result3 = Common.ParseListStringContent(localelist)

Actual behavior
In offline mode: the result2 and result3 are empty
In mixed modes: only the online's Component List and locale List are displayed,not display the locale or component that only exist in offline bundle
Expected behavior
In offline mode: the result2 should be component list and result3 should be locale list
In mixed modes: all component list and locale list in online and offline are displayed

Screenshots
Such as Offline External Remote