fixes:

- make prefix imported games paths relative to prefix
- show placeholder icon as fallback
- fix crossed working/exe directories
- fix broken working dir in prefix imported games

files/translations/en-us.json

@@ -70,6 +70,7 @@
     "config.prefix": "Wine prefix",
     "config.prefixDefault": "Default prefix ({0})",
     "config.prefixLocked": "This app was imported from a prefix - its prefix cannot be changed",
+    "config.prefixLockedHint": "Pinned to the prefix it was imported from (its paths are stored relative to it)",
     "config.dllOverrides": "DLL overrides",
     "config.overrides.add": "Add override",
     "config.overrides.dll": "DLL name",

files/translations/pl.json

@@ -70,6 +70,7 @@
     "config.prefix": "Prefiks Wine",
     "config.prefixDefault": "Prefiks domyślny ({0})",
     "config.prefixLocked": "Ta aplikacja została zaimportowana z prefiksu - nie można zmienić jej prefiksu",
+    "config.prefixLockedHint": "Przypięta do prefiksu, z którego została zaimportowana (ścieżki trzymane są względem niego)",
     "config.dllOverrides": "Nadpisania DLL",
     "config.overrides.add": "Dodaj nadpisanie",
     "config.overrides.dll": "Nazwa DLL",