lib: internal: nativeresolver: dependencygraph: FillHelper: place new version vertexes in addition order
lib: internal: nativeresolver: dependencygraph: fill: simplified populating packages
lib: internal: nativeresolver: dependencygraph: fill: refactoring: removed an obsolete comment
lib: internal: nativeresolver: dependencygraph: p_populatePackage: for equal-priority versions, make sure that higher versions go first
lib: internal: nativeresolver: dependencygraph: p_populatePackage: optimisation: avoided getting priorities for all versions