Add go2rtc streams to settings UI (#22531)

* Add go2rtc settings section

- create separate settings section for all go2rtc streams
- extract credentials mask code into util
- create ffmpeg module utility
- i18n

* add camera config updater topic for live section

to support adding go2rtc streams after configuring a new one via the UI

* clean up

* tweak delete button color for consistency

* tweaks

web/src/utils/credentialMask.ts

@@ -0,0 +1,40 @@
+const MASKED_AUTH_PATTERN = /:\/\/\*:\*@/i;
+const MASKED_QUERY_PATTERN = /(?:[?&])user=\*&password=\*/i;
+
+export const isMaskedPath = (value: string): boolean =>
+  MASKED_AUTH_PATTERN.test(value) || MASKED_QUERY_PATTERN.test(value);
+
+export const hasCredentials = (value: string): boolean => {
+  if (!value) {
+    return false;
+  }
+
+  if (isMaskedPath(value)) {
+    return true;
+  }
+
+  try {
+    const parsed = new URL(value);
+    if (parsed.username || parsed.password) {
+      return true;
+    }
+
+    return (
+      parsed.searchParams.has("user") && parsed.searchParams.has("password")
+    );
+  } catch {
+    return /:\/\/[^:@/\s]+:[^@/\s]+@/.test(value);
+  }
+};
+
+export const maskCredentials = (value: string): string => {
+  if (!value) {
+    return value;
+  }
+
+  const maskedAuth = value.replace(/:\/\/[^:@/\s]+:[^@/\s]*@/g, "://*:*@");
+
+  return maskedAuth
+    .replace(/([?&]user=)[^&]*/gi, "$1*")
+    .replace(/([?&]password=)[^&]*/gi, "$1*");
+};