Cli: Fix project creation problems in 5.3.4

resolves https://github.com/volosoft/volo/issues/12220

framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectBuilding/Files/FileEntryExtensions.cs

@@ -120,7 +120,7 @@ public static class FileEntryExtensions
                     }
                 }
 
-                if (lines[i+1].Contains("<TEMPLATE-REMOVE"))
+                if (i < lines.Length - 1 && lines[i+1].Contains("<TEMPLATE-REMOVE"))
                 {
                     continue;
                 }

framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/ProjectBuilding/Templates/RemoveUnnecessaryPortsStep.cs

@@ -59,7 +59,12 @@ public class RemoveUnnecessaryPortsStep : ProjectBuildPipelineStep
 
         var appSettingsJsonObject = JObject.Parse(dbMigratorAppSettings.Content);
         var identityServerJsonObject = (JObject)appSettingsJsonObject["IdentityServer"];
-        var clientsJsonObject = (JObject)identityServerJsonObject["Clients"];
+        var clientsJsonObject = (JObject) identityServerJsonObject?["Clients"];
+
+        if (clientsJsonObject == null)
+        {
+            return;
+        }
 
         if (context.BuildArgs.UiFramework != UiFramework.Blazor)
         {