Inspect Permissions does not match user permissions for a space

Problem

The new feature of Inspect Permissions is not matching the current user's permissions for a space.

Environment

Confluence Datacenter 7.3.x 

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Steps to Reproduce

1. Navigate to any space
2. Press Space tools > Permissions
3. *In the Groups section, click on *Edit Permissions button
4. Remove all the permissions from the confluence-users group
5. Press Save All
6. In the same screen, at the Individual Users section, click on Edit Permissions
7. Type a user X that don't belong to the confluence-administrator group
8. Give this user only the following permissions:
   1. All > View
   2. Blog > Add
   3. Restrictions > Add/Delete
9. Inspect the permissions for the user X (they wont match).

Expected Results

The expected results are that the inspect permissions shows the following for user X:

1. All > View
2. Blog > Add
3. Restrictions > Add/Delete

Actual Results

The inspect permissions is showing that the user X have almost all permissions, as we can see in the attachment "Screen Shot 2020-02-27 at 17.34.06.png".

Notes