[FIX] web: add new digits type in supportedOptions

The digits option was of type string, but it needs to be an array of two
integers.
We introduce a new digits type to handle that case.
This is used in studio, more info in the enterprise PR.

opw-3614919

closes odoo/odoo#148571

X-original-commit: 6dbf59a9db1a68069df7e922fcab673ce7f7ae5a
Related: odoo/enterprise#53865
Signed-off-by: Lucas Perais (lpe) <lpe@odoo.com>
Signed-off-by: Hubert Van De Walle <huvw@odoo.com>

addons/web/static/src/views/fields/float/float_field.js

@@ -96,7 +96,7 @@ export const floatField = {
         {
             label: _t("Digits"),
             name: "digits",
-            type: "string",
+            type: "digits",
         },
         {
             label: _t("Type"),

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

@@ -60,7 +60,7 @@ export const floatToggleField = {
         {
             label: _t("Digits"),
             name: "digits",
-            type: "string",
+            type: "digits",
         },
         {
             label: _t("Type"),