Simplify alert settings and unify with mobile

[laurijamsa]

Make the titles look same as on mobile (Temperature -> Temperature (°F))

Simplify the values not to show ",00" when there is no need to do it (to make it look more clean). However, keep the possibility to adjust manually with a better precision.

Currently:

Same settings on mobile:

Another thing to enhance is to increment values always with full digits when adjusting alert settings sliders (1 degree in this case on the video):

https://user-images.githubusercontent.com/1311912/146336126-d69c4e05-343f-4150-88ad-afb1fb187ed5.mov

[markoaamunkajo]

@io53 it's possible to save impossible values as range when editing manually.

[io53]

True, good catch.

[laurijamsa]

Note that we support only relative humidity alerts but currently also absolute or dew point definitions are shown on the alert section. Force (%) to be shown always.