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.

public/locales/zh-TW/tools.json

@@ -70,7 +70,8 @@
   },
   "addWatermark": {
     "name": "添加浮水印",
-    "subtitle": "在你的 PDF 頁面上壓印文字或圖片。"
+    "subtitle": "在你的 PDF 頁面上壓印文字或圖片。",
+    "applyToAllPages": "套用至所有頁面"
   },
   "headerFooter": {
     "name": "頁首與頁尾",