chore(i18n): backfill de/ru/fr fallbacks for social-media-dashboard + totality-festival - #702

Process completed with exit code 1.

1) [chromium] › ui/project-management-flows.test.ts:73:1 › new project tabs switch visible form sections and preserve drafts Error: expect(locator).toBeVisible() failed Locator: getByTestId('design-system-trigger') Expected: visible Timeout: 10000ms Error: element(s) not found Call log: - Expect "toBeVisible" with timeout 10000ms - waiting for getByTestId('design-system-trigger') 85 | await expect(page.getByTestId('new-project-tab-prototype')).toHaveAttribute('aria-selected', 'true'); 86 | await expect(page.locator('.newproj-title')).toContainText('New prototype'); > 87 | await expect(page.getByTestId('design-system-trigger')).toBeVisible(); | ^ 88 | await expect(page.getByText('Fidelity', { exact: true })).toBeVisible(); 89 | await page.getByTestId('new-project-name').fill('Prototype draft survives'); 90 | at /home/runner/work/open-design/open-design/e2e/ui/project-management-flows.test.ts:87:59