Exposes more of AccountData to AVM

[jannotti]

Getting this on our radar. I think exposing these fields would help apps that want to keep an eye on their MBR.

The only thing that is potentially worth exposing now is Status I'd rather ignore it for now (see explanation in a comment below). Debate me!

[jasonpaulos]

Looks pretty good, I just have some comments.

[codecov]

Codecov Report

Merging #4491 (f06bce6) into feature/avm-box (31037ed) will decrease coverage by 0.09%.
The diff coverage is 100.00%.

@@                 Coverage Diff                 @@
##           feature/avm-box    #4491      +/-   ##
===================================================
- Coverage            55.48%   55.38%   -0.10%     
===================================================
  Files                  408      405       -3     
  Lines                51525    51523       -2     
===================================================
- Hits                 28590    28538      -52     
- Misses               20510    20550      +40     
- Partials              2425     2435      +10     

Impacted Files	Coverage Δ
data/transactions/logic/fields.go	75.12% <ø> (ø)
data/transactions/logic/fields_string.go	44.44% <ø> (ø)
data/transactions/logic/eval.go	89.32% <100.00%> (+0.06%)	⬆️
ledger/tracker.go	74.78% <0.00%> (-6.42%)	⬇️
network/wsPeer.go	65.47% <0.00%> (-6.03%)	⬇️
catchup/service.go	69.38% <0.00%> (-2.97%)	⬇️
util/db/dbutil.go	48.48% <0.00%> (-1.82%)	⬇️
catchup/peerSelector.go	98.95% <0.00%> (-1.05%)	⬇️
data/abi/abi_type.go	87.67% <0.00%> (-0.95%)	⬇️
ledger/acctonline.go	79.00% <0.00%> (-0.53%)	⬇️
... and 6 more

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[jannotti]

I'm going to merge this to the feature branch without doing anything about Status around 4pm unless I hear objections. Objections should express an opinion about how it should be exposed.

[jasonpaulos]

This looks good!