Fixes crash on bankroll main row

app/build.gradle

@@ -29,7 +29,7 @@ android {
         applicationId "net.pokeranalytics.android"
         minSdkVersion 23
         targetSdkVersion 28
-        versionCode 37
+        versionCode 38
         versionName "2.0.1"
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }

app/src/main/java/net/pokeranalytics/android/ui/fragment/BankrollDetailsFragment.kt

@@ -123,7 +123,7 @@ class BankrollDetailsFragment : RealmFragment(), StaticRowRepresentableDataSourc
 
 		rows.add(CustomizableRowRepresentable(RowViewType.HEADER_TITLE, resId = R.string.global))
 
-		val currency = this.bankroll.utilCurrency
+		val currency = if (this.bankrollId != null) { this.bankroll.utilCurrency } else { null }
 		val totalComputedStat = ComputedStat(Stat.NET_RESULT, bankrollReport.total, currency = currency)
 		val netComputedStat = ComputedStat(Stat.NET_RESULT, bankrollReport.netResult, currency = currency)
 		val netBankedComputedStat = ComputedStat(Stat.NET_RESULT, bankrollReport.netBanked, currency = currency)