fix marriage dialogue left in invalid state after dialogue propagation

docs/release-notes.md

@@ -10,6 +10,7 @@
 
 * For modders:
   * Fixed asset propagation on Linux/Mac for monster sprites, NPC dialogue, and NPC schedules.
+  * Fixed asset propagation for NPC dialogue sometimes causing a spouse to skip marriage dialogue or not allow kisses.
 
 ## 3.4.1
 Released 24 March 2020 for Stardew Valley 1.4.1 or later.

src/SMAPI/Metadata/CoreAssetPropagator.cs

@@ -892,11 +892,13 @@ namespace StardewModdingAPI.Metadata
             // doesn't store the text itself.
             foreach (NPC villager in villagers)
             {
+                bool shouldSayMarriageDialogue = villager.shouldSayMarriageDialogue.Value;
                 MarriageDialogueReference[] marriageDialogue = villager.currentMarriageDialogue.ToArray();
 
                 villager.resetSeasonalDialogue(); // doesn't only affect seasonal dialogue
                 villager.resetCurrentDialogue();
 
+                villager.shouldSayMarriageDialogue.Set(shouldSayMarriageDialogue);
                 villager.currentMarriageDialogue.Set(marriageDialogue);
             }