Finish the Dhivehi clear and delete wording #55

The maintainer's decision is clear → "ސާފުކުރުން" and delete → "ނައްތާލުން". Those keys were changed in 0.2.0, but these strings still use other forms of the "ފޮހެލާ" verb, because changing them means writing new wording.

They now read differently from the buttons next to them:

• listing.trashEmptyDescription
• listing.bulkDeleteTitle, listing.bulkDeleted
• listing.deleteRecordTitle
• listing.deletePermanentlyTitle, listing.deletePermanentlyDescription
• display.deleteCommentConfirm, display.deleteNoteConfirm
• date.cleared
• input.signatureCleared
• form.changeCleared
• map.locationCleared
• choice.clearSelection, choice.deselectAll

input.signatureClear keeps "ފޮހެލާ" on purpose, because it means erase.

Needs a Dhivehi speaker to choose the wording. The strings live in packages/onu/src/locales/dv/.

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