Fix `Style/SymbolProc` cop (#28386)

.rubocop_todo.yml

@@ -478,13 +478,6 @@ Style/StringLiterals:
     - 'config/initializers/webauthn.rb'
     - 'config/routes.rb'
 
-# This cop supports unsafe autocorrection (--autocorrect-all).
-# Configuration parameters: AllowMethodsWithArguments, AllowedMethods, AllowedPatterns, AllowComments.
-# AllowedMethods: define_method, mail, respond_to
-Style/SymbolProc:
-  Exclude:
-    - 'config/initializers/3_omniauth.rb'
-
 # This cop supports safe autocorrection (--autocorrect).
 # Configuration parameters: EnforcedStyle, AllowSafeAssignment.
 # SupportedStyles: require_parentheses, require_no_parentheses, require_parentheses_when_complex

config/initializers/3_omniauth.rb

@@ -79,7 +79,7 @@ Devise.setup do |config|
     oidc_options[:client_auth_method] = ENV['OIDC_CLIENT_AUTH_METHOD'] if ENV['OIDC_CLIENT_AUTH_METHOD'] # OPTIONAL (default: basic)
     scope_string = ENV['OIDC_SCOPE'] if ENV['OIDC_SCOPE'] # NEED
     scopes = scope_string.split(',')
-    oidc_options[:scope] = scopes.map { |x| x.to_sym }
+    oidc_options[:scope] = scopes.map(&:to_sym)
     oidc_options[:response_type] = ENV['OIDC_RESPONSE_TYPE'] if ENV['OIDC_RESPONSE_TYPE'] # OPTIONAL (default: code)
     oidc_options[:response_mode] = ENV['OIDC_RESPONSE_MODE'] if ENV['OIDC_RESPONSE_MODE'] # OPTIONAL (default: query)
     oidc_options[:display] = ENV['OIDC_DISPLAY'] if ENV['OIDC_DISPLAY'] # OPTIONAL (default: page)