Fixed CreateContainerIfNotExistsAsync validation to limit to partitionKeyPath only

[simplynaveen20]

Pull Request Template

Description

If user had created Container from SDK other than V3 with explicitly specifying
IsSystemKey = true or false and then trying to recreate with V3 api CreateContainerIfNotExistsAsync , sdk is throwing error which is should not.
This PR with address it

Please delete options that are not relevant.

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

Closing issues

closes #623

[kirankumarkolli]

Please add entry into ChangeLog.md

[simplynaveen20]

Please add entry into ChangeLog.md

This issue is not major scenario , and not reported by multiple users , also it was introduce in 3.1.0 and not in 3.0.0 so do we want to call it out ?

[j82w]

not reported by multiple users , also it was introduce in 3.1.0 and not in 3.0.0 so do we want to call it out ?

I believe we should still add it to the changelog. We had one customer already hit the issue. The point of the changelog is for customer to see the issues fixed so they know to upgrade without creating a new issue.

[kirankumarkolli]

not reported by multiple users , also it was introduce in 3.1.0 and not in 3.0.0 so do we want to call it out ?

I believe we should still add it to the changelog. We had one customer already hit the issue. The point of the changelog is for customer to see the issues fixed so they know to upgrade without creating a new issue.

Idea is share more context for developers to make deployment decision.
Less or ambiguous details will hurt new version adoptions.