enhance check

Author: Delta456

java/src/org/openqa/selenium/devtools/CdpEndpointFinder.java

@@ -91,7 +91,7 @@ public static Optional<URI> getReportedUri(Capabilities caps) {
         break;
       case "firefox":
         key = "moz:debuggerAddress";
-        if (!(Boolean) caps.getCapability("webSocketUrl")) {
+        if (!caps.is("webSocketUrl")) {
           LOG.warning(
               "CDP support for Firefox is deprecated and will be removed in future versions. "
                   + "Please switch to WebDriver BiDi.");

java/src/org/openqa/selenium/firefox/FirefoxDriver.java

@@ -165,7 +165,7 @@ private FirefoxDriver(
     Optional<URI> reportedUri =
         CdpEndpointFinder.getReportedUri("moz:debuggerAddress", capabilities);
 
-    if (reportedUri.isPresent() && !(Boolean) capabilities.getCapability("webSocketUrl")) {
+    if (reportedUri.isPresent() && !capabilities.is("webSocketUrl")) {
       LOG.warning(
           "CDP support for Firefox is deprecated and will be removed in future versions. "
               + "Please switch to WebDriver BiDi.");