Change the default values for permissions

Description

*Note* This PR doesn't add any feature or change any behavior. Feel free to close the PR if not required.

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      1. Background:
        While I was working on course visibility settings, I followed the documentation but couldn't achieve the desired behavior. No matter what setting I set in course advanced settings, course was always visible in the catalog. After searching on net for some time, I came to know (from a google group I guess) that I have to change the permission values.
        Therefore I had to change the permission values in my `private.py` file.

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      1. Description
        This PR changes the values of `COURSE_CATALOG_VISIBILITY_PERMISSION` and
        `COURSE_ABOUT_VISIBILITY_PERMISSION` to the permissions that will
        actually depict the desired behaviors. I think it makes more sense that I don't have to change the settings to achieve the behavior described in the documentation.
        It's just my personal opinion. Feel free to close the PR if its unnecessary.

Assignee

Unassigned

Reporter

Open Source Pull Request Bot

Labels

Contributor Name

Danial Malik

Repo

edx/edx-platform

Customer

None

Epic Link

None

OSCM Assignee

None

Platform Map Area (Levels 1 & 2)

Administrator Experiences - Catalog Management and Publishing

Platform Map Area (Levels 3 & 4)

None

Blended Hour Utilization Percentage

None

Priority

Unset
Configure