Refactor stored procedure and update project structure

- Modified the stored procedure `fds__admin_getReportCatalog.sql` to use the correct schema for `all_objects`.
- Added new folders and projects for `eRechnungLib` in the solution file `Fuchs_Intranet.slnx`, including validation and test projects.
- Updated submodule reference for `OCORE`.
- Added new submodule `eRechnungLib` with initial commit.

.vscode/settings.json

@@ -0,0 +1,8 @@
+{
+    "chat.tools.terminal.autoApprove": {
+        "dotnet run": true,
+        "dotnet test": true,
+        "dotnet build": true,
+        "npx gulp": true
+    }
+}