Fix polyfill

TODO

@@ -1,11 +1,3 @@
-store results of trading block in database
-- blog
-  - clear if you don't have all your assets
-  - warning if asset traded
-  - warning if AI team no longer wants to make trade
-- https://old.reddit.com/r/BasketballGM/comments/xsglap/monthly_suggestions_thread/iqkeufr/
-- test in old browsers (set isSubsetOf)
-
 hype should impact the magnitude of the home court advantage
 
 support sorting mobile trade tables (like saved trades, trading block)

src/common/polyfills-modern.ts

@@ -14,9 +14,9 @@ export const toPolyfillTransform: (
 // https://github.com/rauschma/set-methods-polyfill/blob/894c17391303aec7190801636c64465f653479d8/src/library.ts
 if (!Set.prototype.isSubsetOf) {
 	Object.defineProperty(Set.prototype, "isSubsetOf", {
-		value: function <T>(a: Set<T>, b: Set<T>): boolean {
-			for (const elem of a) {
-				if (!b.has(elem)) {
+		value: function <T>(this: Set<T>, other: Set<T>): boolean {
+			for (const elem of this) {
+				if (!other.has(elem)) {
 					return false;
 				}
 			}