[IMP] pivot: add indentation to row headers

[hokolomopo]

Description:

[IMP] pivot: add indentation to row headers

This commit adds indentation to row headers in the pivot table, based
on the depth of the groupBy.

[IMP] format: add the handling of repeated character

This commit adds the handling of the * asterisk character in the format,
which repeats the character that comes after it enough times to fill
the column.

The asterisk is ignored in cell.formattedValue, and the character is
only repeated if the formatValue helper is given a width parameter,
which we now do only in the grid renderer.

The commit also adds this new format feature to the accounting format,
to match the behaviour of the other spreadsheet applications.

Task: 3965246

review checklist

• feature is organized in plugin, or UI components
• support of duplicate sheet (deep copy)
• in model/core: ranges are Range object, and can be adapted (adaptRanges)
• in model/UI: ranges are strings (to show the user)
• undo-able commands (uses this.history.update)
• multiuser-able commands (has inverse commands and transformations where needed)
• new/updated/removed commands are documented
• exportable in excel
• translations (_t("qmsdf %s", abc))
• unit tested
• clean commented code
• track breaking changes
• doc is rebuild (npm run doc)
• status is correct in Odoo

[robodoo]

[hokolomopo]

So the issue is that I only use the repeated character to fill the empty space of the column. But the char has a discrete width, so we end up with things that aren't perfectly aligned, and that can be a bit ugly

1. Just leave it like that ATM, and maybe in the future improve it
2. Do like GSheet & Excel, and add an "empty space" at the end of the repeated characters so that it's perfectly aligned. It sounds kind of annoying to implement TBH (maybe some kind of rich text ?)

[LucasLefevre]

robodoo rebase-ff r+

[robodoo]

Merge method set to rebase and fast-forward.