Better handle importing leagues during a fantasy/expansion draft - pr…

…eviously some settings from previous season could get messed up if they changed after the season

TODO

@@ -1,7 +1,5 @@
 Add https://mail.google.com/mail/u/0/#inbox/FMfcgzQXKhJZvwmSjwbthGLcdXGfCrJH to rebuilding/contending strategy rewrite
 
-Create league in 1949 playoffs. Sim through playoffs. Expansion draft starts. Export/import league. Observe that the playoff changes for 1950 got applied to 1949 https://mail.google.com/mail/u/0/#inbox/FMfcgzQZSZFWNRNfpsKFvnRmhWRHcttB
-
 vector logo generation
 - https://www.recraft.ai/ai-image-vectorizer
 - https://sagipolaczek.github.io/NeuralSVG/

src/worker/core/league/createStream.ts

@@ -442,10 +442,17 @@ const finalizeGameAttributes = async ({
 	};
 
 	for (const key of helpers.keys(gameAttributeOverrides)) {
+		let phase = finalized.phase ?? PHASE.PRESEASON;
+		if (phase < 0) {
+			if (finalized.nextPhase !== undefined) {
+				phase = finalized.nextPhase;
+			}
+		}
+
 		// If we're overriding a value with history, keep the history
 		finalized[key] = wrap(finalized, key, gameAttributeOverrides[key], {
 			season: finalized.season ?? startingSeason,
-			phase: finalized.phase ?? PHASE.PRESEASON,
+			phase,
 		});
 	}