Refactor color input fields and enhance watermark functionality

- Updated color input fields in various HTML pages to remove unnecessary classes for improved styling consistency.
- Modified the watermark node to include options for positioning and flattening watermarks.
- Enhanced the addTextWatermark function to support customizable positioning and page selection for watermarks.
- Added new controls for text and image watermarks in the UI, allowing users to specify text, font size, color, opacity, angle, and image scaling.
- Updated the WASM provider to use the latest version of pymupdf-wasm.

src/js/logic/bookmark-pdf.ts

@@ -253,7 +253,7 @@ placeholder="${field.placeholder || ''}" />
           )
           .join('')}
 </select>
-                                ${field.name === 'color' ? '<input type="color" id="modal-color-picker" class="hidden w-full h-10 mt-2 rounded cursor-pointer border border-gray-300" value="#000000" />' : ''}
+                                ${field.name === 'color' ? '<input type="color" id="modal-color-picker" class="hidden mt-2" value="#000000" />' : ''}
 </div>
   `;
         } else if (field.type === 'destination') {