AWM: Numeric field accepts invalid characters, causing server error on edit

Precondition: Have an AWM created with a numeric field only.

Steps to reproduce:

1. Add a new entry within your app
2. In number field insert "aaa" and save
3. Delete and type 12
4. Save & View
5. Click on the edit pencil
6. Delete the number and insert "aaa"
7. Click on Save

Actual result:

2. Red banner with error message is displayed: "Failed to save the page. Reason: An error occured while saving: Error number 0 in 0: Error when parsing [aaa] to type [float]."
7. Red banner with error message is displayed: "Failed to save the page. Reason: Server Error"

Expected result:

• The numeric field should enforce numeric-only input through client-side validation.
• If invalid characters are entered, the system should show a clear, user-friendly validation message such as:
  “Please enter a valid numeric value.”
• The request containing invalid data should never reach the server, thereby preventing backend errors.