Improve OpenAI translation by adding rules to apply before suggesting

[psmits1567]

Currently we have a nice feature called OpenAI
However OpenAI gpt-3 turbo does not always follow the prompt you give it.
The main issue currently is the fact that it adds a period or full stop or dot to the end of the line.
This should not happen if the original provided does not end with a period.
Whatever you set as prompt, the behavior is unpredictable.
So I propose to add functionality to improve this behavior.
E.g before showing it as suggestion, check if the original has a period at the end
If it does not have that, then remove the period if it has been added by OpenAI