Improve content under WSO2 IS 7.x key manager configuration

[ashera96]

Description

Improve the flow in the doc [1] under point 9 of step 2, the below shown screenshot appears, but no content to to follow.

[1] https://apim.docs.wso2.com/en/4.5.0/administer/key-managers/configure-wso2is7-connector/

Suggested Fix

Describe the available 2 options and provide a small description before the screenshot, preferable under a step 10.

Version(s)

4.5.0, 4.6.0

[wso2-engineering-bot]

@wso2-engineering-bot create a PR for this issue following repo conventions

[ashera96]

Also, fix this table content that appears to have styling issues. Also fix the note not being rendered properly issue.

[1] https://apim.docs.wso2.com/en/4.5.0/administer/key-managers/configure-wso2is7-connector/#role-creation-in-wso2-identity-server-7x