[IMP] web: use formatFloatFactor for float_toggle widget

Before this commit, the formatter used for `float_toggle` widget is
`formatFloat` function, but the `value` parameter should be computed
with the factor set on the widget. This calculation is also done in
`formatFloatFactor` function before calling the formatFloat function.

This commit uses the `formatFloatFactor` to uniform the code instead of
doing the calculation in 2 different sides (one in the widget and one
in the `formatFloatFactor`).

task-2702636

Part-of: odoo/odoo#108605

addons/web/static/src/views/fields/float_toggle/float_toggle_field.js

@@ -1,7 +1,7 @@
 /** @odoo-module **/
 
 import { registry } from "@web/core/registry";
-import { formatFloat } from "../formatters";
+import { formatFloatFactor } from "../formatters";
 import { standardFieldProps } from "../standard_field_props";
 
 import { Component } from "@odoo/owl";
@@ -46,8 +46,9 @@ export class FloatToggleField extends Component {
         return !this.props.digits && Array.isArray(fieldDigits) ? fieldDigits : this.props.digits;
     }
     get formattedValue() {
-        return formatFloat(this.props.record.data[this.props.name] * this.factor, {
+        return formatFloatFactor(this.props.record.data[this.props.name], {
             digits: this.digits,
+            factor: this.factor,
         });
     }
 }