Improve share locking feature for subgroups

FE @winh

When parent group has lock on sharing project with other groups - this restriction should apply on subgroups too. Subgroup should be able to apply lock if parent group does not have one. But it should not allow subgroup to release lock if parent group has one. UI should also explain user the behavior

Current setting:

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New setting on Parent Group:

• Moved next to visibility permissions
• Copy updated for more clarity
• Note saying setting will be applied to subgroups unless overridden by a group owner

When setting is applied on a Parent Group, a non-owner will see this on a subgroup:

• Checkbox is disabled
• Note copy links to parent group
• Note copy tells user that owner can override
• Note copy links to parent group settings to remove share lock

When setting is applied on a Parent Group, an owner will see this on a subgroup:

• Checkbox is enabled
• Note copy links to parent group
• Note copy tells user that owner can override
• Note copy links to parent group settings to remove share lock

When setting is applied on a Parent Group and an owner has overridden it on a subgroup, a user will see this on a subgroup: