Improve paste-to-upload UX with a modal dialog; drop media file preview in My Projects

Views/admin/wallpaper.cshtml

@@ -21,7 +21,10 @@
         <label class="text-white">New wallpaper image</label>
         <img id="wallpaperPreview" style="display:none;max-width:100%;max-height:300px;border-radius:8px;" class="mb-2 d-block" />
         <input id="wallpaperFile" type="file" name="wallpaperFile" class="form-control bg-dark text-white" accept="image/*" />
-        <small class="text-muted">PNG, JPG, WEBP or GIF. You can also paste (Ctrl+V) an image directly.</small>
+        <button type="button" class="btn btn-outline-light btn-sm mt-2" onclick="PasteImageModal.open('#wallpaperFile', '#wallpaperPreview')">
+            <i class="fa-solid fa-paste me-1"></i>Paste image
+        </button>
+        <small class="text-muted d-block mt-1">PNG, JPG, WEBP or GIF.</small>
     </div>
 
     <button class="btn btn-success">Upload New Wallpaper</button>
@@ -32,7 +35,3 @@
     @Html.AntiForgeryToken()
     <button type="submit" class="btn btn-secondary mt-2">Reset to Default</button>
 }
-
-<script>
-    enablePasteUpload('#wallpaperFile', '#wallpaperPreview');
-</script>