fix(rushroyale): fix the stereo sources to match the player positions

public/views/mp/rushroyale.html

@@ -537,6 +537,17 @@
 				// wait for css
 				const base_offset_y = 20;
 
+				const players_stereo_source = {
+					0: -1,
+					1: 0.5,
+					2: -0.5,
+					3: 1,
+					4: -1,
+					5: 0.5,
+					6: -0.5,
+					7: 1,
+				};
+
 				Array(num_players)
 					.fill()
 					.forEach((_, player_idx) => {
@@ -580,7 +591,7 @@
 								field_pixel_size: 2.5,
 								preview_pixel_size: 2,
 								preview_align: 'tr',
-								stereo: translate([0, num_players - 1], [-1, 1], player_idx),
+								stereo: players_stereo_source[player_idx],
 								format_score: readableScoreFomatter,
 							}
 						);