Fix bug that full text search not works in index page (#961)
Fix bug that full text search not works in index page (#961)


pascalberger/docfx,DuncanmaMSFT/docfx,hellosnow/docfx,superyyrrzz/docfx,superyyrrzz/docfx,928PJY/docfx,LordZoltan/docfx,dotnet/docfx,hellosnow/docfx,pascalberger/docfx,dotnet/docfx,928PJY/docfx,LordZoltan/docfx,superyyrrzz/docfx,928PJY/docfx,hellosnow/docfx,DuncanmaMSFT/docfx,dotnet/docfx,LordZoltan/docfx,pascalberger/docfx,LordZoltan/docfx