Kemi: unify quantity formatting (W1/W2 vs W6/Excel) and close the W1 mockup gaps #1459

What is wrong

Quantities read differently on the inventory/drawer screens (W1/W2) than on the history screen (W6) and the Excel files. W1/W2 use the Angular number: '1.0-3' pipe (app locale, with grouping: "1,000.5 L"); W6 and the Excel use formatHistoryNumber / decimal.ToString("0.###") ("1000.5 L"). Three decimals are kept on both sides, so nothing is lost; this is presentation drift. The T12 mockup-fidelity review also noted three W1 differences from the mockup: the banner lacks the breakdown ("2 afmeldte ... senest 01-03-2027, og 1 udløbet ..."), the Frist cell shows "date + kind" instead of "01-03-2027 · 5 mdr", and the number pipe uses the app locale (3.5) where the mockup shows a decimal comma (3,5).

Where (stable a81a41b)

• eform-client/src/app/plugins/modules/backend-configuration-pn/modules/chemicals/components/chemical-inventory-page/chemical-inventory-page.component.html:99
• eform-client/src/app/plugins/modules/backend-configuration-pn/modules/chemicals/components/chemical-product-drawer/chemical-product-drawer.component.html:60,80,81
• the move and stock dialogs (chemical-move-dialog, chemical-stock-dialog templates)
• eform-client/src/app/plugins/modules/backend-configuration-pn/modules/chemicals/helpers/chemical-history.helper.ts:117 (formatHistoryNumber)

Suggested fix

One shared quantity pipe built on formatHistoryNumber, used by W1, W2 and the dialogs (or take the decimal-comma decision from the mockup owner first). Bring the W1 banner breakdown and the Frist cell "· 5 mdr" in line with the mockup, or update the mockup.

Origin

Plan E final review m-4 and T12 m-11, PR #1437 (merged as a81a41b).

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