Configure Sidebar: Textual description missing for image links

Issue Summary

The "Show Blog link", "Hide Blog link", "Show Analytics link", "Hide Analystic link" and so on image links lack textual description.

Steps to Reproduce

1. Navigate to the sidebar.
2. Navigate to the "Configure Sidebar" link and activate it.
3. Using a screen reader, navigate to the mentioned image links.
4. Listen that the href value of these image links are announced and its purpose is not communicated.

Screenshot

Actual Results

The "Show Blog link", "Hide Blog link", "Show Analytics link", "Hide Analystic link" and so on image links lack textual description. Screen readers announce the href value of links in the absence of appropriately defined textual descriptions. As a result, screen reader users will be unable to identify the purpose of these image links.

Expected Results

Ensure that appropriate textual description for the image links such as "Show Blog link", "Hide Blog link", "Show Analytics link", "Hide Analystic link" and so on are provided and completely describes the purpose of these links.
The textual description can be provided by adding a visually hidden text using CSS within the <a> element.

Workaround

Not available

Environment 

MacBook Pro (16-inch, 2019)
macOS 13.4.1 (c) (22F770820d)
Chrome - Version 115.0.5790.170 (Official Build) (x86_64)
Firefox- Version 114.0 (64-bit)
Safari- Version 16.5.2 (18615.2.9.11.10)
JAWS- Version 2023.2306.28
NVDA- Version 2022.2.2
Voiceover - Version Latest