Emdash source with visual editor image upload fix

Fixes:
1. media.ts: wrap placeholder generation in try-catch
2. toolbar.ts: check r.ok, display error message in popover

lingui.config.ts

@@ -0,0 +1,20 @@
+import type { LinguiConfig } from "@lingui/conf";
+
+import { LOCALE_CODES, SOURCE_LOCALE } from "./packages/admin/src/locales/locales.js";
+
+const config: LinguiConfig = {
+	sourceLocale: SOURCE_LOCALE.code,
+	locales: LOCALE_CODES,
+	// Compile the "pseudo" locale catalog with garbled characters so unwrapped
+	// strings are immediately visible when EMDASH_PSEUDO_LOCALE=1 is set in dev.
+	pseudoLocale: "pseudo",
+	catalogs: [
+		{
+			path: "<rootDir>/packages/admin/src/locales/{locale}/messages",
+			include: ["<rootDir>/packages/admin/src/**/*.{ts,tsx}"],
+		},
+	],
+	format: "po",
+};
+
+export default config;