Allow input and display of floats for Number fields (#7340)

### Description

- We added a decimal field for a Number Field type in the settings
- We updated the Number Field type create a form with decimals input
- We are not implementing the dropdown present on the Figma because it
seems not related

### Demo


<https://www.loom.com/share/18a8d4b712a14f6d8b66806764f8467f?sid=3fc79b46-ae32-46e3-8635-d0eee02e53b2>

Fixes #6987

---------

Co-authored-by: gitstart-twenty <gitstart-twenty@users.noreply.github.com>
Co-authored-by: Marie Stoppa <marie.stoppa@essec.edu>

packages/twenty-front/src/utils/format/number.ts

@@ -1,2 +1,8 @@
-export const formatNumber = (value: number): string =>
-  value.toLocaleString('en-US');
+export const DEFAULT_DECIMAL_VALUE = 0;
+
+export const formatNumber = (value: number, decimals?: number): string => {
+  return value.toLocaleString('en-US', {
+    minimumFractionDigits: decimals ?? DEFAULT_DECIMAL_VALUE,
+    maximumFractionDigits: decimals ?? DEFAULT_DECIMAL_VALUE,
+  });
+};