Bookmarks on device where sync was reset isn't sent across the chain

[srirambv]

Description

Bookmarks on device where sync was reset isn't sent across the chain.

Devices

Device 1: Samsung Tab running 1.0.76
Device 2: Pixel 3XL running 1.0.76
Device 3: Linux running 0.59.34 profile 1 (Sync already created and reset)
Device 4: Linux running 0.59.34 profile 2

Steps to Reproduce

1. Create bookmarks and folders on device 1
2. Create sync chain on Device 1 and scan QR code on device 2, ensure all bookmarks are sync'd on device2
3. Reset existing sync on device 3 which has existing bookmarks
4. Enter code words from device 1 and join device 3 on the sync chain, bookmarks from device 1 sync on device 3
5. Existing bookmarks from device 3 isn't sync'd to device 1 or device 2
6. Create bookmarks on device 4 and join the sync chain using code words
7. Once device is listed, device 4 sync's all bookmarks from device 1, similarly device 1,2 & 3 sync's all bookmarks from device 4

Actual result:

Device 1

Device 2

Device 3 (Contains 2 bookmark folder Linux and Windows which doesn't sync)

Device 4

Expected result:

Irrespective of previous sync state all bookmarks should be sync'd across all devices

Reproduces how often:

Easy

Brave version (brave://version info)

Brave	0.59.34 Chromium: 72.0.3626.81 (Official Build) (64-bit)
Revision	ac8b982e05014492d1bd7d317628a4f22a97ffa0-refs/branch-heads/3626@{#796}
OS	Linux

Android Build 1.0.76

Reproducible on current release:

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

Website problems only:

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

Additional Information

cc: @SergeyZhukovsky @brave/legacy_qa @AlexeyBarabash @darkdh

[btlechowski]

Verification passed on

Brave	0.61.38 Chromium: 73.0.3683.39 (Official Build) beta (64-bit)
Revision	cc53b0e12fcaf42e4bab8d6c23bd4fb7aae99f6c-refs/branch-heads/3683@{#413}
OS	Windows 7 Service Pack 1 Build 7601.24312

Used STR from brave/brave-core#1560.
All the devices got the expected bookmarks.

Verification passed on

Brave	0.61.41 Chromium: 73.0.3683.39 (Official Build) beta (64-bit)
Revision	cc53b0e12fcaf42e4bab8d6c23bd4fb7aae99f6c-refs/branch-heads/3683@{#413}
OS	Linux mint

• Verified the STR from Sync don't do double reset brave-core#1560.

Verified passed with

Brave	0.61.48 Chromium: 73.0.3683.56 (Official Build) beta(64-bit)
Revision	303af44e2f2948869279f120021c778855d76ead-refs/branch-heads/3683@{#653}
OS	Mac OS X

• Verified test plan from Sync don't do double reset brave-core#1560