Fix deleting searched managers/moderators/admins

We were deleting managers, moderators and administrators based on their
user ID, instead of their manager/moderator/administrator ID.

app/views/admin/administrators/search.html.erb

@@ -20,7 +20,7 @@
             <td class="text-right">
               <% if user.administrator? && user.administrator.persisted? %>
                 <%= link_to t("admin.administrators.administrator.delete"),
-                            admin_administrator_path(user),
+                            admin_administrator_path(user.administrator),
                             method: :delete,
                             class: "button hollow alert expanded" %>
               <% else %>

app/views/admin/managers/search.html.erb

@@ -20,7 +20,7 @@
           <td>
             <% if user.manager? && user.manager.persisted? %>
               <%= link_to t("admin.managers.manager.delete"),
-                          admin_manager_path(user),
+                          admin_manager_path(user.manager),
                           method: :delete,
                           class: "button hollow alert expanded" %>
             <% else %>

app/views/admin/moderators/search.html.erb

@@ -20,7 +20,7 @@
           <td>
             <% if user.moderator? && user.moderator.persisted? %>
               <%= link_to t("admin.moderators.moderator.delete"),
-                          admin_moderator_path(user),
+                          admin_moderator_path(user.moderator),
                           method: :delete,
                           class: "button hollow alert expanded" %>
             <% else %>

spec/system/admin/administrators_spec.rb

@@ -98,6 +98,16 @@ describe "Admin administrators" do
       expect(page).to have_content(administrator2.email)
       expect(page).not_to have_content(administrator1.email)
     end
+
+    scenario "Delete after searching" do
+      fill_in "Search user by name or email", with: administrator2.email
+      click_button "Search"
+
+      click_link "Delete"
+
+      expect(page).to have_content(administrator1.email)
+      expect(page).not_to have_content(administrator2.email)
+    end
   end
 
   context "Edit" do

spec/system/admin/managers_spec.rb

@@ -80,5 +80,15 @@ describe "Admin managers" do
       expect(page).to have_content(manager2.email)
       expect(page).not_to have_content(manager1.email)
     end
+
+    scenario "Delete after searching" do
+      fill_in "Search user by name or email", with: manager2.email
+      click_button "Search"
+
+      click_link "Delete"
+
+      expect(page).to have_content(manager1.email)
+      expect(page).not_to have_content(manager2.email)
+    end
   end
 end

spec/system/admin/moderators_spec.rb

@@ -80,5 +80,15 @@ describe "Admin moderators" do
       expect(page).to have_content(moderator2.email)
       expect(page).not_to have_content(moderator1.email)
     end
+
+    scenario "Delete after searching" do
+      fill_in "Search user by name or email", with: moderator2.email
+      click_button "Search"
+
+      click_link "Delete"
+
+      expect(page).to have_content(moderator1.email)
+      expect(page).not_to have_content(moderator2.email)
+    end
   end
 end