fix: Perform safe typecast while getting the platform name (#1702)

Author: mykola-mokhnach

gradle.properties

@@ -7,4 +7,4 @@ signing.secretKeyRingFile=PathToYourKeyRingFile
 ossrhUsername=your-jira-id
 ossrhPassword=your-jira-password
 
-selenium.version=4.2.0
+selenium.version=4.2.1

src/main/java/io/appium/java_client/AppiumDriver.java

@@ -133,8 +133,7 @@ public AppiumDriver(Capabilities capabilities) {
      */
     protected static Capabilities ensurePlatformName(
             Capabilities originalCapabilities, String defaultName) {
-        String currentName = (String) originalCapabilities.getCapability(PLATFORM_NAME);
-        return isBlank(currentName)
+        return originalCapabilities.getPlatformName() == null
                 ? originalCapabilities.merge(new ImmutableCapabilities(PLATFORM_NAME, defaultName))
                 : originalCapabilities;
     }