Change the COMMENTS.OLDER_FIRST and RECENT_FIRST to make it clear it is an action

[mig5]

We have seen multiple users express confusion that, in the Comments section of an item, 'Older first' and 'Recent first' seem reversed to most people's instinctive understanding.

When they see 'Older first', they think 'the comments are being shown as Oldest first', when in fact the reverse is true.

The reason is that the button text is really representing a proposed 'action', not representative of its current state. Much like how a form button 'Submit' or 'Save' does not mean 'It is submitted' or 'It is saved', but that clicking the button will make it so.

I think the cause for the confusion is that the 'Older first' / 'Recent first' do not look like normal buttons - they look like sort-order toggles.

In this PR I have changed it to have the 'Click to view' prefix, which makes it clearer to English speakers that taking an action (clicking on it) will result in that change.