On the formatters add support for string formatters like capitalize, title, upper, and lower this goes on par with the Jinja template filters.
Examples on climate.office_radiator_valve
{{ state_attr('climate.office_radiator_valve', 'hvac_action') }} = idle
{{ state_attr('climate.office_radiator_valve', 'hvac_action') | capitalize }} = Idle
Other Examples
{{ 'title test' | title }} = Title Test
{{ 'uppercase' | upper }} = UPPERCASE
{{ 'LowerCase' | lower }} = lowercase
Giving us these formatters avoid situations lie this

On the formatters add support for string formatters like
capitalize,title,upper, andlowerthis goes on par with the Jinja template filters.Examples on
climate.office_radiator_valve{{ state_attr('climate.office_radiator_valve', 'hvac_action') }} = idle {{ state_attr('climate.office_radiator_valve', 'hvac_action') | capitalize }} = IdleOther Examples
{{ 'title test' | title }} = Title Test {{ 'uppercase' | upper }} = UPPERCASE {{ 'LowerCase' | lower }} = lowercaseGiving us these formatters avoid situations lie this
