Add "Start at" date Field to Issues

Update

This will be addressed as part of the work item initiative -- #365399 (closed).

Description

Right now, issues has Due date field, but no "Stat Date" Field, this not allow to manage the priority the sort the order to handle multiple issues, this is also not allow to use GanttLab Live for example

Proposal

add Due Date field to each Issue, this will allow to use it to sort the work order, and also for Gantt / reports / etc...

Links / references

N/A

Documentation blurb

N/A

Overview

this is A small but significant improvement, by adding date field to the Issue editor

it's will allow everyone to set start time to handle issues, also this exist in most of issues tracking scripts

Use cases

it's can be used to sort issues, set priority to the developer and for graphs and gantts

Feature checklist

Make sure these are completed before closing the issue, with a link to the relevant commit.

Edited by Gabe Weaver