use grayscale instead of RGB color space for icons
Before Width: | Height: | Size: 154 B After Width: | Height: | Size: 166 B |
Before Width: | Height: | Size: 186 B After Width: | Height: | Size: 178 B |
Before Width: | Height: | Size: 156 B After Width: | Height: | Size: 159 B |
Before Width: | Height: | Size: 178 B After Width: | Height: | Size: 181 B |
Before Width: | Height: | Size: 1.5 KiB After Width: | Height: | Size: 884 B |