[docTools] fix problem of interaction between the iframes (search nodes in the iframe or in the parent document)
[docTools] fix problem of interaction between the iframes (search nodes in the iframe or in the parent document)

SiliconStudio/SharpDoc,SiliconStudio/SharpDoc,Robmaister/SharpDoc,Robmaister/SharpDoc,SiliconStudio/SharpDoc,Robmaister/SharpDoc,xoofx/SharpDoc,xoofx/SharpDoc,xoofx/SharpDoc