Replace @resource with resource

Replace @resource with resource in SlashCommands modules
for consistency reasons

lib/gitlab/slash_commands/presenters/access.rb

@@ -34,8 +34,8 @@ module Gitlab
 
         def authorize
           message =
-            if @resource
-              ":wave: Hi there! Before I do anything for you, please [connect your GitLab account](#{@resource})."
+            if resource
+              ":wave: Hi there! Before I do anything for you, please [connect your GitLab account](#{resource})."
             else
               ":sweat_smile: Couldn't identify you, nor can I authorize you!"
             end

lib/gitlab/slash_commands/presenters/issue_close.rb

@@ -7,7 +7,7 @@ module Gitlab
         include Presenters::IssueBase
 
         def present
-          if @resource.confidential?
+          if resource.confidential?
             ephemeral_response(response_message)
           else
             in_channel_response(response_message)
@@ -15,7 +15,7 @@ module Gitlab
         end
 
         def already_closed
-          ephemeral_response(text: "Issue #{@resource.to_reference} is already closed.")
+          ephemeral_response(text: "Issue #{resource.to_reference} is already closed.")
         end
 
         private

lib/gitlab/slash_commands/presenters/issue_search.rb

@@ -7,12 +7,12 @@ module Gitlab
         include Presenters::IssueBase
 
         def present
-          text = if @resource.count >= 5
+          text = if resource.count >= 5
                    "Here are the first 5 issues I found:"
-                 elsif @resource.one?
+                 elsif resource.one?
                    "Here is the only issue I found:"
                  else
-                   "Here are the #{@resource.count} issues I found:"
+                   "Here are the #{resource.count} issues I found:"
                  end
 
           ephemeral_response(text: text, attachments: attachments)
@@ -21,7 +21,7 @@ module Gitlab
         private
 
         def attachments
-          @resource.map do |issue|
+          resource.map do |issue|
             url = "[#{issue.to_reference}](#{url_for([namespace, project, issue])})"
 
             {
@@ -37,7 +37,7 @@ module Gitlab
         end
 
         def project
-          @project ||= @resource.first.project
+          @project ||= resource.first.project
         end
 
         def namespace

lib/gitlab/slash_commands/presenters/issue_show.rb

@@ -7,7 +7,7 @@ module Gitlab
         include Presenters::IssueBase
 
         def present
-          if @resource.confidential?
+          if resource.confidential?
             ephemeral_response(response_message)
           else
             in_channel_response(response_message)
@@ -17,26 +17,26 @@ module Gitlab
         private
 
         def fallback
-          "Issue #{@resource.to_reference}: #{@resource.title}"
+          "Issue #{resource.to_reference}: #{resource.title}"
         end
 
         def text
-          message = ["**#{status_text(@resource)}**"]
+          message = ["**#{status_text(resource)}**"]
 
-          if @resource.upvotes.zero? && @resource.downvotes.zero? && @resource.user_notes_count.zero?
+          if resource.upvotes.zero? && resource.downvotes.zero? && resource.user_notes_count.zero?
             return message.join
           end
 
           message << " · "
-          message << ":+1: #{@resource.upvotes} " unless @resource.upvotes.zero?
-          message << ":-1: #{@resource.downvotes} " unless @resource.downvotes.zero?
-          message << ":speech_balloon: #{@resource.user_notes_count}" unless @resource.user_notes_count.zero?
+          message << ":+1: #{resource.upvotes} " unless resource.upvotes.zero?
+          message << ":-1: #{resource.downvotes} " unless resource.downvotes.zero?
+          message << ":speech_balloon: #{resource.user_notes_count}" unless resource.user_notes_count.zero?
 
           message.join
         end
 
         def pretext
-          "Issue *#{@resource.to_reference}* from #{project.full_name}"
+          "Issue *#{resource.to_reference}* from #{project.full_name}"
         end
       end
     end