Fixed the Achievements Grid RowStyle

The AchievementsView DataGrid's style triggers for the row when modified, unlocked, hover, etc. are no longer working.

Modified	Unlocked	MouseOver	State	Color
`false`	`false`	`true`	Hover	Blue
`false`	`true`	`true`	Unlocked + Hover	Light Green
`false`	`true`	`false`	Unlocked	Green
`true`	`false`	`false`	Modified (Removing)	Orange
`true`	`false`	`true`	Modified (Removing) + Hover	Light Orange
`true`	`true`	`false`	Modified (Adding)	Light Green
`true`	`true`	`true`	Modified (Adding) + Hover	Light Green

syntax-tm / SteamAchievementManager