when choosing a Tab, make the new bill drop-down be of that type. When we save a new bill, change the last-tab to be the type of bill we just added

db.py

@@ -309,9 +309,12 @@ def get_bill_freqs():
 def new_bill( bill_type, amount, bill_date, estimated ):
     conn = connect_db(False)
     cur = conn.cursor()
-    # force delete estimates as new bill will potentially change them/growth, etc.
+    # if we are a real bill added by UI
     if not estimated:
+        # delete old estimates as new bill will potentially change them/growth, etc.
         cur.execute( f"delete from bill_data where estimated=1" )
+        # force the next /bills load to show the tab for the bill we are adding
+        cur.execute( f"update bill_ui set last_tab='{bill_type}'" )
     cur.execute( f"insert into bill_data ( 'bill_type', 'amount', 'bill_date', 'estimated' ) values ( '{bill_type}', '{float(amount):.2f}', '{bill_date}', {estimated} )" )
     conn.commit()
     conn.close()