[FIX] format: dispatch only once

[LucasLefevre]

Description:

Steps to reproduce:

• select a huge zone with numbers
• click on the "Increase decimal places" tool in the top bar

=> there's one dipatched command for each position in the zone, which can huge.

We want:

• one dispatched command per format
• positions grouped to a single zone if there are contiguous (a single big zone instead of many zones, each being actually a single position)

Issue introduced by 1b667256cc386e4b8e8ff2e216e66bd9b9a03d62

Task: : 4091502

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]

[rrahir]

@robodoo r+