use number widget for weight and other numeric fields in more forms

[yashodha]

Overview

use number wiget for weight and other numeric fields in all forms and keep it consistent.

Before

Forms have weight and other numeric fields as plain-text input.

After

All of the forms have weight and other numeric fields as number input widget keeping in consistent with other screen across CRM.

[civibot]

(Standard links)

• If this is your first pull-request for CiviCRM, please browse CONTRIBUTING.md for information about the development and testing processes.
• If you are reviewing this pull-request, you may wish to consult the test sites and the Review Standards (long template, short template).

[yashodha]

test this please

[colemanw]

@civicrm-builder retest this please