erp5_web: handle style attributes in web page object extraction scripts

- WebPage_exportAsSingleFile
- WebPage_extractReferredObjectDict

bt5/erp5_web/SkinTemplateItem/portal_skins/erp5_web/WebPage_exportAsSingleFile.py

@@ -69,6 +69,9 @@ def handleHtmlTag(tag, attrs):
     for i in range(len(attrs)):
       if attrs[i][0] == "href" or attrs[i][0] == "src":
         attrs[i] = attrs[i][0], makeHrefAbsolute(attrs[i][1])
+  for i in range(len(attrs)):
+    if attrs[i][0] == "style":
+      attrs[i] = attrs[i][0], replaceCssUrl(attrs[i][1])
   return tag, attrs
 
 def strHtmlPart(part):

bt5/erp5_web/SkinTemplateItem/portal_skins/erp5_web/WebPage_extractReferredObjectDict.py

@@ -31,6 +31,10 @@ def handleHtmlTag(tag, attrs):
     for i in range(len(attrs)):
       if attrs[i][0] in ("src", "href"):
         handleHref(attrs[i][1])
+  for i in range(len(attrs)):
+    if attrs[i][0] == "style":
+      handleCss(attrs[i][1])
+
 
 on_next_data = [lambda x: x]
 def handleHtmlPart(part):