Dropdown values for chart doesnot persist accross reopening wallet.

[saurabhtukul]

Issue description

For the graph,change the currency from USD TO INR/EUR etc and duration from week to other value.
Now close the wallet and open again.It shows the default setting of USD AND WEEK which
for a user is very irritating.its a wallet, donot expect user to keep it open always and
every time user opens a wallete and need to again set the currency to INR/EUR is frustating.
It should be set as accross application opening similar to user setting.

Wallet version

Firefly beta version Monday released.

Which version of wallet are you using?

• wallet version (version number, commit, or branch):
  Firefly v0.3.1
  Language: en
  Currency: SGD
  Node settings: Automatic node selection
  Platform: darwin
  Platform Version: 18.2.0
  Platform Architecture: x64
  CPU Count: 4
  Total Memory: 8192.0 MB
  Free Memory: 317.7 MB
  User Path: /Users/saurabh/Library/Application Support/Firefly Beta

System specification

What is your operating system?

Mac Mojave

Is it a repeatable issue?

Yes

Steps To reproduce the issue

Explain how the maintainer can reproduce the issue.

1.For the graph,change the currency from USD TO INR/EUR etc and duration from week to other value.

2.close the wallet
3.open again.It shows the default setting of USD AND WEEK

Expected behaviour

It should show INR and 1 Day for graph setting.(protfolio/token)

Actual behaviour

It shows the default setting of USD AND WEEK

[obany]

This will be fixed in the next release, please re-open if the problem persists.