Merge pull request #579 from tub5/bug/578

Upgrade to use Electron 12.0.12

Author: GregorBiswanger

ElectronNET.API/Entities/WebPreferences.cs

@@ -185,8 +185,8 @@ public class WebPreferences
         /// Context' entry in the combo box at the top of the Console tab. This option is
         /// currently experimental and may change or be removed in future Electron releases.
         /// </summary>
-        [DefaultValue(false)]
-        public bool ContextIsolation { get; set; }
+        [DefaultValue(true)]
+        public bool ContextIsolation { get; set; } = true;
 
         /// <summary>
         /// Whether to use native window.open(). Defaults to false. This option is currently experimental.

ElectronNET.CLI/Commands/BuildCommand.cs

@@ -198,7 +198,7 @@ public Task<bool> ExecuteAsync()
                         : $"node build-helper.js {manifestFileName} {version}", tempPath);
 
                 Console.WriteLine($"Package Electron App for Platform {platformInfo.ElectronPackerPlatform}...");
-                ProcessHelper.CmdExecute($"npx electron-builder --config=./bin/electron-builder.json --{platformInfo.ElectronPackerPlatform} --{electronArch} -c.electronVersion=11.1.1 {electronParams}", tempPath);
+                ProcessHelper.CmdExecute($"npx electron-builder --config=./bin/electron-builder.json --{platformInfo.ElectronPackerPlatform} --{electronArch} -c.electronVersion=12.0.12 {electronParams}", tempPath);
 
                 Console.WriteLine("... done");