Re-sync is not successful with new secrete code (Follow up of #2552)

[GeetaSarvadnya]

Description

Re-sync is not successful with new secrete code (Follow up of #2552).

Devices

Device A: Windows 10 (Bravebeta 0.59.12)
Device B: Windows 10 (Brave Dev 0.60.4)

Steps to Reproduce

1. Setup sync chain between device A and B through secrete code
2. Delete device B from device A
3. Setup new sync chain on device A and connect device B (Observe the sync code same as step1 -
   which is not expected as per Sync chain should be reset when deleting another device with v2 spec #2552)
4. Verify that, sync did not establish with old syc code (step1)
5. Refresh the brave://sync on both devices
6. Setup new sync chain on device A and connect device B (Observe the new sync code display -which
   is different than step1 sync code)

Actual result:

Re-sync is not successful with new secrete code

Expected result:

Re-sync should be successful with New secrete code

Reproduces how often:

Always

Brave version (brave://version info)

Brave	0.59.12 Chromium: 72.0.3626.17 (Official Build) beta (64-bit)
Revision	08d2140079f8db14c9eb885a803d231b1a30e817-refs/branch-heads/3626@{#315}
OS	Windows

Reproducible on current release: na

• Does it reproduce on brave-browser dev/beta builds? yes

Website problems only:

• Does the issue resolve itself when disabling Brave Shields? na
• Is the issue reproducible on the latest version of Chrome? na

Additional Information

@brave/legacy_qa

[AlexeyBarabash]

Thanks @GeetaSarvadnya .
Can reproduce on current master Version 0.61.0 Chromium: 72.0.3626.28

[GeetaSarvadnya]

Verification passed on

Brave	0.59.18 Chromium: 72.0.3626.28 (Official Build) beta (64-bit)
Revision	997b1040b63bac324e815797ba52be0cd8f616ed-refs/branch-heads/3626@{#461}
OS	Windows

• Verified the STR from Reset sync right away if devices size <= 1 brave-core#1191.

Verified passed with

Brave	0.59.18 Chromium: 72.0.3626.28 (Official Build) beta(64-bit)
Revision	997b1040b63bac324e815797ba52be0cd8f616ed-refs/branch-heads/3626@{#461}
OS	Mac OS X

• Verified test plan from Reset sync right away if devices size <= 1 brave-core#1191

Verification passed on

Brave	0.59.18 Chromium: 72.0.3626.28 (Official Build) beta(64-bit)
Revision	997b1040b63bac324e815797ba52be0cd8f616ed-refs/branch-heads/3626@{#461}
OS	Linux