[Core] renames getDetectLanguage to isDetectLanguage
[Core] renames getDetectLanguage to isDetectLanguage

cross-solution/YAWIK,kilip/YAWIK,kilip/YAWIK,cross-solution/YAWIK,kilip/YAWIK,cross-solution/YAWIK,cross-solution/YAWIK,kilip/YAWIK