auto-contribute table is cleared after reconcile when rewards are off

[btlechowski]

Steps to Reproduce

1. Clean profile
2. Run Brave with flag --rewards=staging=true,reconcile-interval=2
3. Enable rewards brave://rewards and claim the grant
4. Open kjozwiakstaging.github.io in a new tab and stay on it for 10s to add it to a-c table
5. Disable rewards
6. Wait till the reconcile-interval is passed (2 minutes)
7. Enable rewards
8. Reload brave://rewards

Note: same happens when auto-contribute is off

Actual result:

auto-contribute table is cleared

Expected result:

auto-contribute table is not cleared based on #2804 (comment)

Reproduces how often:

always

Brave version (brave://version info)

Brave	0.58.20 Chromium: 71.0.3578.98 (Official Build) (64-bit)
Revision	15234034d19b85dcd9a03b164ae89d04145d8368-refs/branch-heads/3578@{#897}
OS	Windows 7

cc @NejcZdovc @mandar-brave @brave/legacy_qa

[btlechowski]

I misunderstood @NejcZdovc comment. Closing the issue as invalid.