fixes

frontend/pshared/lib/utils/currency.dart

@@ -4,6 +4,16 @@ import 'package:pshared/models/asset.dart';
 import 'package:pshared/models/currency.dart';
 
 
+const nonBreakingSpace = '\u00A0';
+
+String withTrailingNonBreakingSpace(String value) {
+  return '$value$nonBreakingSpace';
+}
+
+String joinWithNonBreakingSpace(String left, String right) {
+  return '$left$nonBreakingSpace$right';
+}
+
 String currencyCodeToSymbol(Currency currencyCode) {
   switch (currencyCode) {
     case Currency.usd:
@@ -24,7 +34,10 @@ String amountToString(double amount) {
 }
 
 String currencyToString(Currency currencyCode, double amount) {
-  return '${currencyCodeToSymbol(currencyCode)}\u00A0${amountToString(amount)}';
+  return joinWithNonBreakingSpace(
+    currencyCodeToSymbol(currencyCode),
+    amountToString(amount),
+  );
 }
 
 String assetToString(Asset asset) {