Didier Vidal's patch to restore horizontal scrolling in the editable

[David Hampton]

Log Message:
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Didier Vidal's patch to restore horizontal scrolling in the editable
cells of the register if the content is too wide. It also maintains
the cell alignment when you switch to edit mode.

Tags:
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gnucash-gnome2-dev

Modified Files:
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    gnucash/src/report/report-system:
        html-style-sheet.scm