Fixes for powershell remote sessions

core/src/main/java/io/xpipe/core/process/CommandBuilder.java

@@ -176,6 +176,7 @@ public class CommandBuilder {
     }
 
     public String buildBase(ShellControl sc) throws Exception {
+        sc.getShellDialect().prepareCommandForShell(this);
         List<String> list = new ArrayList<>();
         for (Element element : elements) {
             String evaluate = element.evaluate(sc);

core/src/main/java/io/xpipe/core/process/ShellDialect.java

@@ -155,6 +155,8 @@ public interface ShellDialect {
         return getOpenCommand();
     }
 
+    default void prepareCommandForShell(CommandBuilder b) {}
+
     String prepareTerminalInitFileOpenCommand(ShellDialect parentDialect, ShellControl sc, String file);
 
     String runScriptCommand(ShellControl parent, String file);

ext/base/src/main/java/io/xpipe/ext/base/action/ScanAction.java

@@ -36,6 +36,11 @@ public class ScanAction implements ActionProvider {
                 return o.get().getProvider().shouldHaveChildren();
             }
 
+            @Override
+            public boolean isApplicable(DataStoreEntryRef<ShellStore> o) {
+                return o.get().getProvider().canHaveSubShells();
+            }
+
             @Override
             public ObservableValue<String> getName(DataStoreEntryRef<ShellStore> store) {
                 return AppI18n.observable("scanConnections");

ext/base/src/main/java/io/xpipe/ext/base/script/ScriptGroupStoreProvider.java

@@ -101,11 +101,6 @@ public class ScriptGroupStoreProvider implements DataStoreProvider {
             return "proc:shellEnvironment_icon.svg";
     }
 
-    @Override
-    public boolean canHaveSubShells() {
-        return false;
-    }
-
     @Override
     public ObservableValue<String> informationString(StoreEntryWrapper wrapper) {
         ScriptGroupStore scriptStore = wrapper.getEntry().getStore().asNeeded();