Merge branch 'nickname_invalid_format' into '1.4.0'

Resolves a bug in the format in which the nickname is saved in JSON.

See merge request cable-mc/cobblemon!797

CHANGELOG.md

@@ -797,6 +797,7 @@
     - Fixed Magnitude battle messages.
     - Moves that are disabled or out of PP now show transparently in the battle GUI instead of being hidden completely.
     - Statuses like sleep and frozen no longer last forever if it was carried over from a previous battle.
+- Fixed a formatting error that affected Pokemon nicknames when the storage type is JSON.
 
 ### Localization
 - Added species, ability, and move translations for `ko_ko`, `jp_jp`, `fr_fr`, `es_es`, `it_it`, and `zh_cn`.

common/src/main/kotlin/com/cobblemon/mod/common/pokemon/Pokemon.kt

@@ -753,7 +753,7 @@ open class Pokemon : ShowdownIdentifiable {
         json.addProperty(DataKeys.POKEMON_LAST_SAVED_VERSION, Cobblemon.VERSION)
         json.addProperty(DataKeys.POKEMON_UUID, uuid.toString())
         json.addProperty(DataKeys.POKEMON_SPECIES_IDENTIFIER, species.resourceIdentifier.toString())
-        nickname?.let { json.addProperty(DataKeys.POKEMON_NICKNAME, Text.Serializer.toJson(it)) }
+        nickname?.let { json.add(DataKeys.POKEMON_NICKNAME, Text.Serializer.toJsonTree(it)) }
         json.addProperty(DataKeys.POKEMON_FORM_ID, form.formOnlyShowdownId())
         json.addProperty(DataKeys.POKEMON_EXPERIENCE, experience)
         json.addProperty(DataKeys.POKEMON_LEVEL, level)
@@ -803,7 +803,7 @@ open class Pokemon : ShowdownIdentifiable {
         } catch (e: InvalidIdentifierException) {
             throw IllegalStateException("Failed to deserialize a species identifier")
         }
-        nickname = json.get(DataKeys.POKEMON_NICKNAME)?.asString?.takeIf { it.isNotBlank() }?.let { Text.Serializer.fromJson(it) }
+        nickname = json.get(DataKeys.POKEMON_NICKNAME)?.let { Text.Serializer.fromJson(it) }
         form = species.forms.find { it.formOnlyShowdownId() == json.get(DataKeys.POKEMON_FORM_ID).asString } ?: species.standardForm
         level = json.get(DataKeys.POKEMON_LEVEL).asInt
         experience = json.get(DataKeys.POKEMON_EXPERIENCE).asInt.takeIf { experienceGroup.getLevel(it) == level } ?: experienceGroup.getExperience(level)