Fix --list-themes pager init so less stays interactive

src/bin/bat/main.rs

@@ -205,6 +205,7 @@ pub fn list_themes(
     style.insert(StyleComponent::Plain);
     config.language = Some("Rust");
     config.style_components = StyleComponents(style);
+    config.paging_mode = PagingMode::Always;
 
     let mut output_type =
         OutputType::from_mode(config.paging_mode, config.wrapping_mode, config.pager)?;

src/output.rs

@@ -141,6 +141,7 @@ impl OutputType {
                 //
                 // For newer versions (530 or 558 on Windows), we omit '--no-init' as it
                 // is not needed anymore.
+                if single_screen_action == SingleScreenAction::Quit {
                     match retrieve_less_version(&pager.bin) {
                         None => {
                             p.arg("--no-init");
@@ -152,6 +153,7 @@ impl OutputType {
                         }
                         _ => {}
                     }
+                }
             } else {
                 p.args(args);
             }