Add poppler_document_create_dests_tree() to glib frontend

Creates named destinations balanced binary tree in document.
6 jobs from add-named-dest-tree in 13 minutes and 8 seconds (queued for 1 second)
Status Job ID Name Coverage
  Build
passed #87006
build

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passed #87011
build_android

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passed #87007
build_clang_libcpp

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passed #87010
build_clazy

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passed #87008
build_gcc_49

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passed #87009
build_mingw64_fedora

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