title: SPFX webpart is not working in IE 11 shows "Reflect is undefined"
body: <p>SPLoaderError.loadComponentError]:
  ***Failed to load component "d3f77efb-4879-4fc1-80c2-69a784ee109e" (FaqWebPart). Original error: ***Failed to load entry point from component "d3f77efb-4879-4fc1-80c2-69a784ee109e" (FaqWebPart). Original error: 'Reflect' is undefined</p>
  
  <p>***INNERERROR:
  ***Failed to load entry point from component "d3f77efb-4879-4fc1-80c2-69a784ee109e" (FaqWebPart). Original error: 'Reflect' is undefined
  ***CALLSTACK:</p>