Standardize [Packed]State

[Affie]

(WIP) TABLE is populated from discussion #1188 once done.

	State	Old PackedState	New PackedState Field
✓	initialized::Bool	initialized::Bool	initialized::Bool
✓	× id::Union{UUID, Nothing}	× id::Union{UUID, Nothing}	REMOVE
✓	× dimIDs::Vector{Int}	× dimIDs::Vector{Int}	REMOVE
✓	× solveInProgress::Int	× solveInProgress::Int	REMOVE ref
✓	✎ solveKey::Symbol	✎ solveKey::Symbol	label::Symbol
✓	✎ infoPerCoord::Vector{Float64}	✎ infoPerCoord::Vector{Float64}	observability
✓	✎ ismargin::Bool	✎ ismargin::Bool	marginalized
✓	✎ solvedCount::Int	✎ solvedCount::Int	solves
✓	{T} parameter	✎ variableType::String	type::String
✓		✎ _version::VersionNumber	version::VersionNumber
✓	× dims::Int	× dims::Int	Deprecated
☐	separator::Vector{Symbol}	separator::Vector{Symbol}	separator::Vector{Symbol}
☐	val::Vector{P}		see discussion
☐		vecval::Vector{Float64}
☐		dimval::Int
☐	bw::Matrix{Float64}		see discussion
☐		vecbw::Vector{Float64}
☐		dimbw::Int
☐	covar::Vector{SMatrix{N, N, Float64}}	covar::Vector{Float64}	TODO
☐	× BayesNetOutVertIDs::Vector{Symbol}	× BayesNetOutVertIDs::Vector{Symbol}	TODO: Looks unused?
☐	× BayesNetVertID::Symbol	× BayesNetVertID::Symbol	REMOVE
☐	× dontmargin::Bool	× dontmargin::Bool	TODO: likely unused?
☐	eliminated::Bool	× eliminated::Bool	Questionable if used
☐	events::Dict{Symbol, Threads.Condition}