Add and appy MultilineOperationIndentation rule

This way it's easier to see when lines are part of multiline
statements and when they belong to `if` statements.

app/helpers/admin_budget_investments_helper.rb

@@ -1,8 +1,8 @@
 module AdminBudgetInvestmentsHelper
   def advanced_menu_visibility
     if params[:advanced_filters].empty? &&
-      params["min_total_supports"].blank? &&
-      params["max_total_supports"].blank?
+       params["min_total_supports"].blank? &&
+       params["max_total_supports"].blank?
       "hide"
     else
       ""

app/helpers/globalize_helper.rb

@@ -35,7 +35,7 @@ module GlobalizeHelper
 
   def first_i18n_content_translation_locale
     if I18nContentTranslation.existing_languages.count == 0 ||
-        I18nContentTranslation.existing_languages.include?(I18n.locale)
+       I18nContentTranslation.existing_languages.include?(I18n.locale)
       I18n.locale
     else
       I18nContentTranslation.existing_languages.first

app/helpers/management_helper.rb

@@ -25,17 +25,17 @@ module ManagementHelper
 
   def menu_create_investments?
     (controller_name == "budget_investments" && action_name == "new") ||
-    (controller_name == "budgets" && action_name == "create_investments")
+      (controller_name == "budgets" && action_name == "create_investments")
   end
 
   def menu_support_investments?
     (controller_name == "budget_investments" && action_name == "index") ||
-    (controller_name == "budgets" && action_name == "support_investments")
+      (controller_name == "budgets" && action_name == "support_investments")
   end
 
   def menu_print_investments?
     (controller_name == "budget_investments" && action_name == "print") ||
-    (controller_name == "budgets" && action_name == "print_investments")
+      (controller_name == "budgets" && action_name == "print_investments")
   end
 
   def menu_user_invites?

app/helpers/milestones_helper.rb

@@ -10,7 +10,7 @@ module MilestonesHelper
             "aria-valuemin": "0",
             tabindex: "0" do
       tag.span(class: "progress-meter", style: "width: #{progress_bar.percentage}%;") +
-      tag.p(text, class: "progress-meter-text")
+        tag.p(text, class: "progress-meter-text")
     end
   end
 end

app/helpers/poll_recounts_helper.rb

@@ -2,8 +2,8 @@ module PollRecountsHelper
   def total_recounts_by_booth(booth_assignment)
     if booth_assignment.recounts.any?
       booth_assignment.recounts.sum(:total_amount) +
-      booth_assignment.recounts.sum(:white_amount) +
-      booth_assignment.recounts.sum(:null_amount)
+        booth_assignment.recounts.sum(:white_amount) +
+        booth_assignment.recounts.sum(:null_amount)
     end
   end
 end

app/helpers/proposals_dashboard_helper.rb

@@ -49,7 +49,7 @@ module ProposalsDashboardHelper
 
   def is_proposed_action_request?
     controller_name == "dashboard" && action_name == "new_request" &&
-    dashboard_action&.proposed_action?
+      dashboard_action&.proposed_action?
   end
 
   def is_request_active(id)

app/helpers/users_helper.rb

@@ -16,7 +16,7 @@ module UsersHelper
       deleted_commentable_text(comment)
     elsif commentable.hidden?
       tag.del(commentable.title) + " " +
-      tag.span("(#{deleted_commentable_text(comment)})", class: "small")
+        tag.span("(#{deleted_commentable_text(comment)})", class: "small")
     else
       link_to(commentable.title, comment)
     end

app/helpers/welcome_helper.rb

@@ -25,7 +25,7 @@ module WelcomeHelper
 
   def calculate_image_path(recommended, image_default)
     if recommended.respond_to?(:image) && recommended.image.present? &&
-        recommended.image.attachment.attached?
+       recommended.image.attachment.attached?
       recommended.image.variant(:medium)
     elsif image_default.present?
       image_default