tile-view: fix number of columns calculation

react/features/video-layout/functions.js

@@ -31,7 +31,7 @@ export function getCurrentLayout(state: Object) {
 export function getMaxColumnCount() {
     const configuredMax = interfaceConfig.TILE_VIEW_MAX_COLUMNS || 5;
 
-    return Math.max(Math.min(configuredMax, 1), 5);
+    return Math.min(Math.max(configuredMax, 1), 5);
 }
 
 /**