Added new spam_flag to Accounts, replacing is_flagged_as_spam

• Added:
- new spam_flag to Accounts, replacing is_flagged_as_spam
- null/0: no spam, 1: spam, 2: safe from spam

• Updated:
- Comment, Status to reflect changes

• Todo:
- Fully remove is_flagged_as_spam
- Update SortingQueryBuilder

app/views/admin/accounts/_account_flags_block.html.haml

@@ -1,6 +1,6 @@
 - if current_user&.staff?
   %div{ :style => "display:flex;flex-direction:row;" }
-    - if account.is_flagged_as_spam
+    - if account.is_spam?
       %span{ :style => "display:inline-block;margin-right:4px;font-size:12px;background-color:#781600;border-radius:6px;color:#fff;width:40px;line-height:22px;font-weight:600;padding:2px 0 0 6px;" } SPAM
     - if account.is_pro
       %span{ :style => "display:inline-block;margin-right:4px;font-size:12px;background-color:#FFD700;border-radius:6px;color:#292929;width:24px;line-height:22px;font-weight:600;text-align:center;padding:2px 0 0 2px;" } P

app/views/admin/accounts/show.html.haml

@@ -138,11 +138,11 @@
           %tr
             %th Is flagged as spam
             %td
-              - if @account.is_flagged_as_spam?
+              - if @account.is_spam?
                 %span YES
               - else
                 %span no
-            - if @account.is_flagged_as_spam?
+            - if @account.is_spam?
               %td= table_link_to 'ban', 'Reset', reset_spam_admin_account_path(@account.id), method: :post