Allow change map image from admin site customization

Also adds on site customization image.rb jpeg content type to allow replace this image.

spec/features/admin/site_customization/images_spec.rb

@@ -7,22 +7,57 @@ feature "Admin custom images" do
     login_as(admin.user)
   end
 
-  scenario "Upload valid image" do
+  scenario "Upload valid png image" do
     visit admin_root_path
 
     within("#side_menu") do
       click_link "Custom images"
     end
 
-    within("tr.logo_header") do
+    within("tr#image_logo_header") do
       attach_file "site_customization_image_image", "spec/fixtures/files/logo_header.png"
       click_button "Update"
     end
 
-    expect(page).to have_css("tr.logo_header img[src*='logo_header.png']")
+    expect(page).to have_css("tr#image_logo_header img[src*='logo_header.png']")
     expect(page).to have_css("img[src*='logo_header.png']", count: 1)
   end
 
+  scenario "Upload valid jpg image" do
+    visit admin_root_path
+
+    within("#side_menu") do
+      click_link "Custom images"
+    end
+
+    within("tr#image_map") do
+      attach_file "site_customization_image_image", "spec/fixtures/files/custom_map.jpg"
+      click_button "Update"
+    end
+
+    expect(page).to have_css("tr#image_map img[src*='custom_map.jpg']")
+    expect(page).to have_css("img[src*='custom_map.jpg']", count: 1)
+  end
+
+  scenario "Image is replaced on front view" do
+    visit admin_root_path
+
+    within("#side_menu") do
+      click_link "Custom images"
+    end
+
+    within("tr#image_map") do
+      attach_file "site_customization_image_image", "spec/fixtures/files/custom_map.jpg"
+      click_button "Update"
+    end
+
+    visit proposals_path
+
+    within("#map") do
+      expect(page).to have_css("img[src*='custom_map.jpg']")
+    end
+  end
+
   scenario "Upload invalid image" do
     visit admin_root_path
 
@@ -30,7 +65,7 @@ feature "Admin custom images" do
       click_link "Custom images"
     end
 
-    within("tr.social_media_icon") do
+    within("tr#image_social_media_icon") do
       attach_file "site_customization_image_image", "spec/fixtures/files/logo_header.png"
       click_button "Update"
     end
@@ -46,14 +81,14 @@ feature "Admin custom images" do
       click_link "Custom images"
     end
 
-    within("tr.social_media_icon") do
+    within("tr#image_social_media_icon") do
       attach_file "site_customization_image_image", "spec/fixtures/files/social_media_icon.png"
       click_button "Update"
     end
 
     expect(page).to have_css("img[src*='social_media_icon.png']")
 
-    within("tr.social_media_icon") do
+    within("tr#image_social_media_icon") do
       click_link "Delete"
     end