ui: icons cleanup
- removed several duplicated icons
- renamed components to have
Iconas suffix instead of preffix - used
getIconProps, IconProps - fixed some bad namings (e.g.,
ThumbsUpIconwas upside down, so renamed toThumbsDownIcon)
Icon as suffix instead of preffixgetIconProps, IconProps
ThumbsUpIcon was upside down, so renamed to ThumbsDownIcon)