message: FormField: removed redundant styles
diff: .FormField.Textarea .Textarea__el:focus ~ .FormField__border,
  .FormField.Select .Select__el:focus ~ .FormField__border,
  .FormField.Select--mimicry:focus .FormField__border,
  -.FormField.ChipsInput.ChipsInput--focused .ChipsInput__container ~ .FormField__border {
  +.FormField.ChipsInput--focused .ChipsInput__container ~ .FormField__border {
  border-color: var(--accent);
  background: var(--field_background);
  }
  -.FormField--ios.Input .Input__el:focus ~ .FormField__border,
  -.FormField--ios.Textarea .Textarea__el:focus ~ .FormField__border,
  -.FormField--ios.Select .Select__el:focus ~ .FormField__border,
  -.FormField--ios.Select--mimicry:focus .FormField__border,
  -.FormField--ios.ChipsInput.ChipsInput--focused .ChipsInput__container ~ .FormField__border {
  - border-radius: 10px;
  - transform: scale(1);
  - width: 100%;
  - height: 100%;
  -}
  -
  .CustomSelect__open.Select--mimicry:focus .FormField__border {
  border-color: var(--field_border);
  }
  