Support list items 'margin-left' indentation when content pasted from Word

[f1ames]

Type of report

Feature request

Provide description of the new feature

There are two (at least) ways to create nested lists in Microsoft Word.

1

It can be done by creating sublists (e.g. pressing Tab), which are then marked with different mso-list level style value when copied and are correctly pasted into CKEditor:

2

Or it can be done be using Increase Indent option on list items which only adds margin-left to these items but does not change mso-list level style value so list gets flatten when pasted to CKEditor:

Here is .docx document with two types of nested lists mentioned above lists.nesting.docx.

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It will be good to support styling mentioned in the second case so pasted lists have the same indentation as in original document.