[FIX] account_reconciliation_widget: Don't suggest own journal items

When getting propositions from the reconcile models, we should
explicitly exclude the amls of the bank statement lines.

If not, we can get a situation where the journal item of the bank
statement line is proposed to itself.

TT45568

account_reconciliation_widget/models/reconciliation_widget.py

@@ -328,7 +328,10 @@ def get_bank_statement_data(self, bank_statement_line_ids, srch_domain=None):
             domain += srch_domain
         bank_statement_lines = self.env["account.bank.statement.line"].search(domain)
 
-        results = self.get_bank_statement_line_data(bank_statement_lines.ids)
+        results = self.get_bank_statement_line_data(
+            bank_statement_lines.ids,
+            excluded_ids=bank_statement_lines.move_id.line_ids.ids,
+        )
         bank_statement_lines_left = self.env["account.bank.statement.line"].browse(
             [line["st_line"]["id"] for line in results["lines"]]
         )