Fix incorrect preview size when Display Zoom is on.
Fix incorrect preview size when Display Zoom is on.

divampo/cordova-plugin-camera-preview,anneb/cordova-plugin-camera-preview,fallen90/CordovaCameraPreview,hug963/CordovaCameraPreview,skanygin/CordovaCameraPreview,bvx89/cordova-plugin-camera-preview,aguptaadco/CordovaCameraPreview,mbppower/CordovaCameraPreview,aguptaadco/CordovaCameraPreview,bvx89/cordova-plugin-camera-preview,Et3rnal/cordova-plugin-camera-preview,hug963/CordovaCameraPreview,divampo/cordova-plugin-camera-preview,piobuilleann/cordova-plugin-camera-preview,JordanMaduro/CordovaCameraPreview,Et3rnal/cordova-plugin-camera-preview,parkt/cordova-plugin-camera-preview,jacobweber/CordovaCameraPreview,anneb/cordova-plugin-camera-preview,steven274/CordovaCameraPreview,skanygin/CordovaCameraPreview,JordanMaduro/CordovaCameraPreview,cordova-plugin-camera-preview/cordova-plugin-camera-preview,SVANNER/cordova-plugin-camera-preview,SVANNER/cordova-plugin-camera-preview,steven274/CordovaCameraPreview,piobuilleann/cordova-plugin-camera-preview,fallen90/CordovaCameraPreview,cordova-plugin-camera-preview/cordova-plugin-camera-preview,jacobweber/CordovaCameraPreview,mbppower/CordovaCameraPreview,techieyann/CordovaCameraPreview,techieyann/CordovaCameraPreview,stephan-nordnes-eriksen/CordovaCameraPreview,parkt/cordova-plugin-camera-preview,proxsys/CordovaCameraPreview,proxsys/CordovaCameraPreview,stephan-nordnes-eriksen/CordovaCameraPreview