[pb3CtuNX] Adds convert.paths.toTree to deprecate old convert.toTree

[ncordon]

Cherry picked from https://github.com/neo4j-contrib/neo4j-apoc-procedures/pull/4044

What

Adds a new method convert.paths.toTree that deprecates convert.toTree.

Closes #3996, #3997

Why

There were several problems with the old method. For paths:

v1 -> v2 -> v3
v2 -> v2 //self-loop

it was outputting:

v1 -> v2 -> v2
v2 -> v2

instead of:

v1 -> v2 -> v2
         -> v3

This PR adds a new method that:

• Fixes the behaviour for cyclic paths.
• Fixes the behaviour for bidirectional paths.
• Fixes the properties filter for both of the method when the nodes have several labels.

[ncordon]

/spotlessApply

[ncordon]

/generateLicenses