update realm migration for FilterCondition

app/src/main/java/net/pokeranalytics/android/model/migrations/PokerAnalyticsMigration.kt

@@ -64,8 +64,8 @@ class PokerAnalyticsMigration : RealmMigration {
                 it.addField("operator", Integer::class.java)
                 it.addField("intValue", Integer::class.java)
                 it.addRealmListField("intValues", Integer::class.java)
-                it.addField("doubleValue", Double::class.java)
+                it.addField("doubleValue", Double::class.java).setNullable("doubleValue", true)
-                it.addRealmListField("doubleValues", Double::class.java)
+                it.addRealmListField("doubleValues", Double::class.java).setNullable("doubleValue", true)
                 it.addField("stringValue", String::class.java)
             }
 
@@ -74,7 +74,7 @@ class PokerAnalyticsMigration : RealmMigration {
 			}
 
 			schema.get("Bankroll")?.let {
-				it.addField("initialValue", Double::class.java).setRequired("initialValue", true)
+				it.addField("initialValue", Double::class.java)
 			}
 
             currentVersion++