option in webview to request permission just one time

src/index.tsx

@@ -66,6 +66,7 @@ export const BigBlueButtonMobile = ({
           onMessage={(msg) => handleWebviewMessage(thisInstanceId, webViewRef, msg)}
           applicationNameForUserAgent="BBBMobile"
           allowsInlineMediaPlayback={true}
+          mediaCapturePermissionGrantType={'grant'}
           onLoadEnd={(content: any) => {
             /*in case of success, the property code is not defined*/
             if (typeof content.nativeEvent.code !== 'undefined') {