Move fis widgets SQL into scalar functions

Add fis_wdg_* table functions for dashboard widgets and wire them into
FuchsDatabase.sqlproj; update the invoice list procs accordingly.

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Fuchs_Database/dbo/Stored Procedures/_BackupAndClearInvoiceFile.sql

@@ -1,4 +1,5 @@
 
+
 -- NOTE: Manual-only maintenance utility. Never called from application code (IntranetController /
 -- InvoiceService) — run by hand against the database when needed. Ignore this proc when
 -- investigating missing invoice PDFs via app logs: it clears [fds__invoices].[file] without going
@@ -6,6 +7,7 @@
 
 -- Example usage:  EXEC dbo.usp_BackupAndClearInvoiceFile @InvoiceID = 'R2025-0057';
 
+
 CREATE   PROCEDURE [dbo].[_BackupAndClearInvoiceFile]
     @InvoiceID nvarchar(25)
 AS
@@ -56,8 +58,8 @@ BEGIN
 
         
 
-    Print Formatmessage('https://sanitaerfuchs.de/intranet/do/req/idoc?id=%s&create=1', @invID);
-    Print Formatmessage('https://sanitaerfuchs.de/intranet/do/inv/rdoc?id=%s&create=1', @invID);
+    --Print Formatmessage('https://sanitaerfuchs.de/intranet/do/req/idoc?id=%s&create=1', @invID);
+    --Print Formatmessage('https://sanitaerfuchs.de/intranet/do/inv/rdoc?id=%s&create=1', @invID);
 
 
         RETURN 0;