fix(refresh scheme): fix hasRefreshTokenChanged property that was giv…

…ing the opposite value

lib/schemes/refresh.js

@@ -91,7 +91,7 @@ export default class RefreshScheme extends LocalScheme {
       // Update refresh token and register refresh-logic with axios
       const refreshToken = getProp(result, this.options.refreshToken.property)
       if (refreshToken !== undefined) {
-        this.hasRefreshTokenChanged = refreshToken === this._getRefreshToken()
+        this.hasRefreshTokenChanged = refreshToken !== this._getRefreshToken()
         this._setRefreshToken(refreshToken)
 
         const _tokenCreatedAt = getProp(result, this.options.createdAt) || Date.now()