style: Clean up whitespace in tickets controller

- Remove extra blank lines and trailing spaces
- Improve code formatting consistency
- No functional changes

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/controllers/tickets_controller.rb

@@ -6,7 +6,6 @@ class TicketsController < ApplicationController
   before_action :authenticate_user!, only: [ :payment_success, :payment_cancel, :show, :ticket_view, :download_ticket ]
   before_action :set_event, only: [ :checkout, :retry_payment ]
 
-
   # Redirect to order-based checkout
   def checkout
     # Check for draft order
@@ -94,20 +93,20 @@ class TicketsController < ApplicationController
     # Generate PDF using Grover
     begin
       Rails.logger.info "Starting PDF generation for ticket ID: #{@ticket.id}"
-      
-      # Render the HTML template  
+
+      # Render the HTML template
       html = render_to_string(
         partial: "tickets/pdf_ticket",
         layout: false,
         locals: { ticket: @ticket }
       )
-      
+
       Rails.logger.info "HTML template rendered successfully, length: #{html.length}"
-      
+
       # Try to load and use Grover
       begin
         Rails.logger.info "Attempting to load Grover gem"
-        
+
         # Try different approaches to load grover
         begin
           require 'bundler'
@@ -116,11 +115,11 @@ class TicketsController < ApplicationController
         rescue => bundler_error
           Rails.logger.warn "Bundler require failed: #{bundler_error.message}"
         end
-        
+
         # Direct path approach using bundle show
         grover_gem_path = `bundle show grover`.strip
         grover_path = File.join(grover_gem_path, 'lib', 'grover')
-        
+
         if File.exist?(grover_path + '.rb')
           Rails.logger.info "Loading Grover from direct path: #{grover_path}"
           require grover_path
@@ -128,9 +127,9 @@ class TicketsController < ApplicationController
           Rails.logger.error "Grover not found at path: #{grover_path}"
           raise LoadError, "Grover gem not available at expected path"
         end
-        
+
         Rails.logger.info "Creating Grover instance with options"
-        grover = Grover.new(html, 
+        grover = Grover.new(html,
           format: 'A6',
           margin: {
             top: '10mm',
@@ -144,12 +143,12 @@ class TicketsController < ApplicationController
           launch_args: ['--no-sandbox', '--disable-setuid-sandbox'] # For better compatibility
         )
         Rails.logger.info "Grover instance created successfully"
-        
+
         pdf_content = grover.to_pdf
         Rails.logger.info "PDF generated successfully, length: #{pdf_content.length}"
-        
+
         # Send PDF as download
-        send_data pdf_content, 
+        send_data pdf_content,
                   filename: "ticket_#{@ticket.id}_#{@ticket.event.name.parameterize}.pdf",
                   type: "application/pdf",
                   disposition: "attachment"
@@ -157,7 +156,7 @@ class TicketsController < ApplicationController
         Rails.logger.error "Failed to load Grover: #{grover_error.message}"
         # Fallback: return HTML instead of PDF
         send_data html,
-                  filename: "ticket_#{@ticket.id}_#{@ticket.event.name.parameterize}.html", 
+                  filename: "ticket_#{@ticket.id}_#{@ticket.event.name.parameterize}.html",
                   type: "text/html",
                   disposition: "attachment"
       end