Support "Copy clean link" from context menu on webpage when URL text (not link) is highlighted

[LaurenWags]

Description

Follow up to #27676 (comment) - for all OSes, not just those listed in comment.

When copying text (not link) that is a URL, would like to see "Copy clean link" in context menu.

See discussion under https://bravesoftware.slack.com/archives/CKNHM4RTK/p1677768069627199.

Steps to Reproduce

1. Using 1.49.117, clean profile
2. Navigate to a github issue
3. In a comment, enter www.brave.com but don't submit your comment
4. Highlight www.brave.com in the comment
5. Right click to get context menu
   ---> would like to see "Copy clean link" from here, but it does not show.

Actual result:

Expected result:

Different context menu, but just to give an example of where "Copy clean link" displays:

Reproduces how often:

easily

Brave version (brave://version info)

Brave | 1.49.117 Chromium: 111.0.5563.50 (Official Build) (x86_64)
-- | --
Revision | 39f3dfc5023fe60997adc4f6cf5439cfa3e6968a-refs/branch-heads/5563@{#903}
OS | macOS Version 12.6.3 (Build 21G419)

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

Miscellaneous Information:

cc @rebron @sangwoo108 @fmarier

[MadhaviSeelam]

Verification PASSED using

Brave | 1.51.79 Chromium: 112.0.5615.49 (Official Build) beta (64-bit)
-- | --
Revision | bd2a7bcb881c11e8cfe3078709382934e3916914-refs/branch-heads/5615@{#936}
OS | Windows 11 Version 22H2 (Build 22621.1413)

Verified using STR from #28881 (comment)

Confirmed Copy clean link is displayed in the context menu when URL text is highlighted

[stephendonner]

Verification PASSED using

Brave	1.51.85 Chromium: 112.0.5615.49 (Official Build) beta (x86_64)
Revision	bd2a7bcb881c11e8cfe3078709382934e3916914-refs/branch-heads/5615@{#936}
OS	macOS Version 11.7.6 (Build 20G1231)

Steps:

1. installed 1.51.85
2. launched Brave
3. loaded pastebin.com
4. pasted a copied Twitter link from Chrome:
   https://twitter.com/JortsTheCat/status/1645854409065365504?s=20
5. selected the full text of the URL
6. confirmed Copy clean link context-menu item
7. chose Copy clean link
8. pasted from clipboard
9. added single quotes to the string, and tried to invoke Copy clean link
10. confirmed because it's not a resolvable URL the menu option didn't show

Confirmed Copy clean link both appears when selecting a text with a URL, as well as works to strip out the tracking parameter ?s=20

example	example	example

---

Verification passed on

Brave	1.51.80 Chromium: 112.0.5615.49 (Official Build) beta (64-bit)
Revision	bd2a7bcb881c11e8cfe3078709382934e3916914-refs/branch-heads/5615@{#936}
OS	Ubuntu 18.04 LTS

Steps:

1. installed 1.51.x
2. launched Brave
3. loaded pastebin.com
4. pasted a copied Twitter link from Chrome:
   https://twitter.com/JortsTheCat/status/1645854409065365504?s=20
5. selected the full text of the URL
6. confirmed Copy clean link context-menu item
7. chose Copy clean link
8. pasted from clipboard
9. added single quotes to the string, and tried to invoke Copy clean link
10. confirmed because it's not a resolvable URL the menu option didn't show

Confirmed Copy clean link both appears when selecting a text with a URL, as well as works to strip out the tracking parameter ?s=20

example	example	example