style: add braces to if statements for consistency

Consolidate if-let chain formatting by adding missing braces throughout the
project. This improves readability and ensures consistency across the
codebase.

Co-Authored-By: fiddlerwoaroof/git-smart-commit (gemma-4-31B-it-UD-Q4_K_XL.gguf)

src/draw.rs

@@ -168,9 +168,10 @@ fn draw(f: &mut Frame, app: &App) {
         f.render_widget(HelpWidget::new(app.help_page), size);
     }
     if matches!(app.mode, AppMode::ImportWizard)
-        && let Some(wizard) = &app.wizard {
-            f.render_widget(ImportWizardWidget::new(wizard), size);
-        }
+        && let Some(wizard) = &app.wizard
+    {
+        f.render_widget(ImportWizardWidget::new(wizard), size);
+    }
     // ExportPrompt now uses the minibuffer at the bottom bar.
     if app.is_empty_model() && matches!(app.mode, AppMode::Normal | AppMode::CommandMode { .. }) {
         draw_welcome(f, main_chunks[1]);