set images for halloween

packages/preset-themes/src/styles/halloween.scss

@@ -23,7 +23,7 @@ $light: lighten($secondary, 10%);
 .growi:not(.login-page) {
   // add background-image
   .page-editor-preview-container {
-    background-image: url('/images/themes/halloween/halloween.jpg');
+    background-image: url('../images/halloween/halloween.jpg');
   }
 }
 
@@ -102,8 +102,12 @@ $light: lighten($secondary, 10%);
   @import './theme/apply-colors';
   @import './theme/apply-colors-dark';
 
+  &, body {
+    background-image: url('../images/halloween/halloween.jpg');
+  }
+
   .grw-navbar {
-    background-image: url('/images/themes/halloween/halloween-navbar.jpg') !important;
+    background-image: url('../images/halloween/halloween-navbar.jpg') !important;
   }
 
   // Button

packages/preset-themes/src/styles/theme/_apply-colors-dark.scss

@@ -413,7 +413,7 @@ ul.pagination {
     }
     &::after {
       background-color: darken($color-slack, 5%);
-      background-image: url(/images/icons/slack/slack-logo-dark-off.svg);
+      // background-image: url(/images/icons/slack/slack-logo-dark-off.svg); -- should be specified in app -- 2022.12.09 Yuki Takei
     }
   }
 
@@ -423,7 +423,7 @@ ul.pagination {
     }
     &::after {
       background-color: darken($color-slack, 5%);
-      background-image: url(/images/icons/slack/slack-logo-dark-on.svg);
+      // background-image: url(/images/icons/slack/slack-logo-dark-on.svg); -- should be specified in app -- 2022.12.09 Yuki Takei
     }
   }
   .grw-slack-logo svg {

packages/preset-themes/src/styles/theme/_apply-colors-light.scss

@@ -307,7 +307,7 @@ $dropdown-link-active-bg: $bgcolor-dropdown-link-active;
     }
     &::after {
       background-color: white;
-      background-image: url(/images/icons/slack/slack-logo-off.svg);
+      // background-image: url(/images/icons/slack/slack-logo-off.svg); -- should be specified in app -- 2022.12.09 Yuki Takei
     }
   }
   .custom-control-input:checked ~ .custom-control-label {
@@ -315,7 +315,7 @@ $dropdown-link-active-bg: $bgcolor-dropdown-link-active;
       background-color: lighten($color-slack, 60%);
     }
     &::after {
-      background-image: url(/images/icons/slack/slack-logo-on.svg);
+      // background-image: url(/images/icons/slack/slack-logo-on.svg); -- should be specified in app -- 2022.12.09 Yuki Takei
     }
   }
   .grw-slack-logo svg {