fixup: MissingRTCFocus error, fix confusion between domain/brand

Author: BillCarsonFr

locales/en/app.json

@@ -85,7 +85,7 @@
     "generic_description": "Submitting debug logs will help us track down the problem.",
     "insufficient_capacity": "Insufficient capacity",
     "insufficient_capacity_description": "The server has reached its maximum capacity and you cannot join the call at this time. Try again later, or contact your server admin if the problem persists.",
-    "matrix_rtc_focus_missing": "The server is not configured to work with \"{{brand}}\". Please contact your server admin (Error Code: {{ errorCode }}).",
+    "matrix_rtc_focus_missing": "The server is not configured to work with {{brand}}. Please contact your server admin (Domain: {{domain}}, Error Code: {{ errorCode }}).",
     "open_elsewhere": "Opened in another tab",
     "open_elsewhere_description": "{{brand}} has been opened in another tab. If that doesn't sound right, try reloading the page.",
     "unexpected_ec_error": "An unexpected error occurred (<0>Error Code:</0> <1>{{ errorCode }}</1>). Please contact your server administrator."

src/utils/ec-errors.ts

@@ -53,7 +53,8 @@ export class MatrixRTCFocusMissingError extends ElementCallError {
       ErrorCode.MISSING_MATRIX_RTC_FOCUS,
       ErrorCategory.CONFIGURATION_ISSUE,
       t("error.matrix_rtc_focus_missing", {
-        brand: domain,
+        domain,
+        brand: import.meta.env.VITE_PRODUCT_NAME || "Element Call",
         errorCode: ErrorCode.MISSING_MATRIX_RTC_FOCUS,
       }),
     );