Clicking on `Filter lists` opens up the filter page in a new tab even though the filter page already opened in another tab

Description

Found while testing https://github.com/brave/brave-browser/issues/23285 Clicking on Filter lists opens up the filter page in a new tab even though the filter page already opened in another tab

Steps to Reproduce

1. Clean profile 1.41.x or 1.42.x
2. Open any site
3. Click on shield and expand the advanced view and click on Filter lists multiple times
4. Clicking on Filter lists opens up the filter page in a new tab even though the filter page already opened in another tab

Actual result:

Clicking on Filter lists opens up the filter page in a new tab even though the filter page already opened in another tab

Expected result:

Clicking on Filter lists should redirect to the existing filter page if it's already opened in another tab

Reproduces how often:

Easy

Brave version (brave://version info)

Brave	1.42.68 Chromium: 103.0.5060.114 (Official Build) beta (64-bit)
Revision	a1c2360c5b02a6d4d6ab33796ad8a268a6128226-refs/branch-heads/5060@{#1124}
OS	Windows 10 Version 21H2 (Build 19044.1826)

Version/Channel Information:

• Can you reproduce this issue with the current release? Yes
• Can you reproduce this issue with the beta channel? Yes
• Can you reproduce this issue with the nightly channel? Yes

Other Additional Information:

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

Miscellaneous Information:

cc: @petemill @nullhook @rebron @brave/legacy_qa