[Fix] Fix missing double quote on exe value (Heroic-Games-Launcher#3131)

[FIX] Unset DOTNET_ROOT for wine (Heroic-Games-Launcher#3041)

Author: Etaash-mathamsetty

src/backend/launcher.ts

@@ -354,6 +354,7 @@ function setupWineEnvVars(
   const ret: Record<string, string> = {}
 
   ret.DOTNET_BUNDLE_EXTRACT_BASE_DIR = ''
+  ret.DOTNET_ROOT = ''
 
   // Add WINEPREFIX / STEAM_COMPAT_DATA_PATH / CX_BOTTLE
   const steamInstallPath = join(flatPakHome, '.steam', 'steam')

src/backend/shortcuts/nonesteamgame/nonesteamgame.ts

@@ -260,7 +260,7 @@ async function addNonSteamGame(props: {
     } else if (!isWindows && process.env.APPIMAGE) {
       newEntry.Exe = `"${process.env.APPIMAGE}"`
     } else if (isWindows && process.env.PORTABLE_EXECUTABLE_FILE) {
-      newEntry.Exe = `"${process.env.PORTABLE_EXECUTABLE_FILE}`
+      newEntry.Exe = `"${process.env.PORTABLE_EXECUTABLE_FILE}"`
       newEntry.StartDir = `"${process.env.PORTABLE_EXECUTABLE_DIR}"`
     }