Поле ввода формы

any:                              value                             - input value
svelte component constructor:     UIInput                           - svelte component constructor
string:                           fieldtype                         - field type name, used to generate ids
string:                           fieldname                         - field name, used to generate ids and in onchange event arguments ({field, value}, event)
string:                           [fieldnamePrefix = 'form-field-'] - prefix of ids
boolean:                          [readonly]                        - if this input should be rendered as readonly
string:                           [icon]                            - icon name
boolean:                          [valid = true]                    - value validation result
boolean:                          [validated = false]               - if value were validated
...others will be passed to UIInput