Add Spacing to stringify output.

[amrro]

Description

Adding spacing to improve error handling.
closes #3097

Before

Error: line 196: key "action": no parse matched: ["missing key: \"identity\"","key \"type\": expected RENAME_IDENTITY, got string","key \"type\": expected CHANGE_IDENTITY_TYPE, got string","key \"type\": expected ADD_ALIAS, got string","key \"type\": expected MERGE_IDENTITIES, got string","key \"type\": expected TOGGLE_ACTIVATION, got string","key \"type\": expected DISTRIBUTE_GRAIN, got string","key \"type\": expected TRANSFER_GRAIN, got string","key \"type\": expected SET_PAYOUT_ADDRESS, got string","key \"type\": expected ENABLE_GRAIN_INTEGRATION, got string","key \"type\": expected DISABLE_GRAIN_INTEGRATION, got string","key \"type\": expected MARK_DISTRIBUTION_EXECUTED, got string"]
    at eval (webpack:///./src/util/jsonLog.js?:23:670)
    at Array.forEach (<anonymous>)
    at Function.fromString (webpack:///./src/util/jsonLog.js?:23:463)
    at Function.parse (webpack:///./src/core/ledger/ledger.js?:222:97)
    at eval (webpack:///./src/api/instance/readInstance.js?:29:2775)
    at async Promise.all (index 1)
    at async LocalInstance.readGraphInput (webpack:///./src/api/instance/localInstance.js?:28:53)
    at async graphCommand (webpack:///./src/cli/graph.js?:13:867)

After

Error: line 196: key "action": no parse matched: [
    "missing key: \"identity\"",
    "key \"type\": expected RENAME_IDENTITY, got string",
    "key \"type\": expected CHANGE_IDENTITY_TYPE, got string",
    "key \"type\": expected ADD_ALIAS, got string",
    "key \"type\": expected MERGE_IDENTITIES, got string",
    "key \"type\": expected TOGGLE_ACTIVATION, got string",
    "key \"type\": expected DISTRIBUTE_GRAIN, got string",
    "key \"type\": expected TRANSFER_GRAIN, got string",
    "key \"type\": expected SET_PAYOUT_ADDRESS, got string",
    "key \"type\": expected ENABLE_GRAIN_INTEGRATION, got string",
    "key \"type\": expected DISABLE_GRAIN_INTEGRATION, got string",
    "key \"type\": expected MARK_DISTRIBUTION_EXECUTED, got string"
]
    at eval (webpack:///./src/util/jsonLog.js?:23:670)
    at Array.forEach (<anonymous>)
    at Function.fromString (webpack:///./src/util/jsonLog.js?:23:463)
    at Function.parse (webpack:///./src/core/ledger/ledger.js?:222:97)
    at eval (webpack:///./src/api/instance/readInstance.js?:29:2775)
    at async Promise.all (index 1)
    at async LocalInstance.readGraphInput (webpack:///./src/api/instance/localInstance.js?:28:53)
    at async graphCommand (webpack:///./src/cli/graph.js?:13:867)

Test Plan

I guess this won't affect any behavior.

[blueridger]

For future reference, the test plan could have included steps to reproduce (describe the file change and which command you ran)

[hozzjss]

Nice one dude