BIDI: Language direction is changing when we come out of Numbered/Bulleted list

[satya]

To reproduce the defect:

Scenario 1:

1. Open Ajax sample.

2. Type few lines of text, select all the lines & click on RTL icon in the Tool bar.

3. See that the language direction of the lines are changed to Right and RTL Icon in the Tool bar is selected.

4. Now select all the lines and click on Numbers/Bullets icon in the Tool bar.

5. See that a Numbered/Bulleted list appears with RTL language direction.

6. Now select all the list items and press Decrease Indent icon.

Expected Result:

Numbered/Bulleted list is removed but the Language direction of text in the lines should still be from Right to Left(RTL).

Actual Result:

Numbered/Bulleted list is removed but Language direction of text in in the lines is removed and they have no language direction set.

Scenario 2:

1. Open Ajax sample.

2. Type few lines of text, select all the lines & click on RTL icon in the Tool bar.

3. See that the language direction of the lines are changed to Right and RTL Icon in the Tool bar is selected.

4. Now select all the lines and click on Numbers/Bullets icon in the Tool bar.

5. See that a Numbered/Bulleted list appears with RTL language direction.

6. go to the last list item and press Enter Twice.

Expected Result:

See that you are out of Numbered/Bulleted but the direction of text in the New Paragraph should still be from Right to Left(RTL).

Actual Result:

we are out of Numbered/Bulleted list is removed but New Paragraph has no explicit Language direction set.

[fredck]

The fix looks like correct, but I'm not able to test it due to #6138. We need to fix that one first.

[Saare]

The direction CSS should also be considered.

[tobiasz.cudnik]

Fixed with [5857].