Paste From Word Filter is not integrated with DIV mode

[mlewand]

Are you reporting a feature request or a bug?

Bug

Provide detailed reproduction steps (if any)

1. Open a document with few paragraphs of text in MS Word.
2. Select all.
3. Copy.
4. Open https://codepen.io/mlewand/pen/KvRBbq
5. Paste the content into CKEditor.
6. Put cursor in the first pasted paragraph.

Expected result

Elements path must not include p elements.

Actual result

Elements path does include a p element.

Other details

It's a regression since 4.6.0.

• Browser: Any
• OS: Any
• CKEditor version: 4.7.2

[msamsel]

Change most probably need to be made somewhere here:
https://github.com/ckeditor/ckeditor-dev/blob/60d63d2dafbdf0bf324d3206c3eac8fb6c76efb0/plugins/pastefromword/filter/default.js#L114-L161

Regression exists because we're missing this feature: https://github.com/ckeditor/ckeditor-dev/blob/3876e730d418107f791eef517178b0048a2c9383/plugins/pastefromword/filter/default.js#L840-L842

It's necessary to remember that paragraphs and divs can have custom style configuration which should be included: https://docs.ckeditor.com/#!/api/CKEDITOR.config-cfg-format_div https://docs.ckeditor.com/#!/api/CKEDITOR.config-cfg-format_p