2.48 bug fixes

• Weighted forecasts in pipeline management rendered no values (due to a change in weighting logic)
• Product search did not work for long (>50 entries) product lists in the product modal
• Products were always shown in the default currency, even though they were assigned to a different currency.
• Unnecessary fields were shown as part of the record creation (required but auto-updated fields, e.g. "Last modified date")
• Conversion rates from different Opportunities with different currencies were miscalculated in Kanban boards