make disabled btn more visible

Dependencies

• [2] MYGIBRRH wip custom theme
• [3] PKJCFSBM theme improvements

Change contents

• replacement in inflorescence_view/src/theme.rs at line 134
  [2.2339]→[2.2339:2469](∅→∅)
  − .map(|background| background.scale_alpha(0.5)),

  − text_color: base.text_color.scale_alpha(0.5),
  [2.2339]

  [2.2469]
  + .map(|background| background.scale_alpha(0.7)),

  + text_color: base.text_color.scale_alpha(0.7),