Update URL bar icon flyout text for IPFS local node connections

[bbondy]

When an ipfs:// page is loaded (only when we display ipfs:// and ipns:// in the URL bar and have the IPFS icon), then we want to update the flyout under the URL bar icon text as well.

Update this flyout from:

To this, but apply the text changes to the new look below:

It's ok to not have the exclamation icon, i.e. keep the same normal styling that is already there for now.

Text changes from the new design:

This content was loaded over the IPFS protocol

InterPlanetary File System (IPFS) is a public network for peer-to-peer data storage and delivery. You can learn more about Brave's integration or configure your IPFS settings at any time.

Security review: https://github.com/brave/security/issues/384

[spylogsster]

Final variant

[stephendonner]

Verified FIXED using

Brave	1.24.47 Chromium: 90.0.4430.41 (Official Build) nightly (x86_64)
Revision	e9c92b1eaca8487e212f3f6bc081fdb6d4863759-refs/branch-heads/4430@{#723}
OS	macOS Version 11.2.3 (Build 20D91)

URLs used were:

• ipfs://bafybeiemxf5abjwjbikoz4mc3a3dla6ual3jsgpdr4cjr3oz3evfyavhwq/wiki/Vincent_van_Gogh.html
• ipfs:QmYwAPJzv5CZsnA625s3Xf2nemtYgPpHdWEz79ojWnPbdG/readme
• ipns://en.wikipedia-on-ipfs.org/wiki/Tokyo_National_Museum.html
• ipns://brantly.eth

Example	Example	Example	Example	Example	Example	Example	Example

---

Verification passed on

Brave | 1.24.72 Chromium: 90.0.4430.72 (Official Build) dev (64-bit)
-- | --
Revision | b6172ef8d07ef486489a4b11b66b2eaeed50d132-refs/branch-heads/4430@{#1233}
OS | Windows 10 OS Version 2004 (Build 19041.928)

URLs used were:

• ipfs://bafybeiemxf5abjwjbikoz4mc3a3dla6ual3jsgpdr4cjr3oz3evfyavhwq/wiki/Vincent_van_Gogh.html
• ipfs:QmYwAPJzv5CZsnA625s3Xf2nemtYgPpHdWEz79ojWnPbdG/readme
• ipns://brantly.eth

---

Verification passed on

Brave	1.24.70 Chromium: 90.0.4430.72 (Official Build) beta (64-bit)
Revision	b6172ef8d07ef486489a4b11b66b2eaeed50d132-refs/branch-heads/4430@{#1233}
OS	Ubuntu 18.04 LTS

Verified test plan from the description