Add the ability to rearrange pinned items

[JaiganeshKumaran]

Is your feature request related to a problem? Please describe.
No. Currently, to change the order of pinned items shown on the sidebar, I need to manually edit the file or unpin all items and pin them again in the order I want. This is not convenient.

Describe the solution you'd like
The right-click context menu could have a move up and a move down option.

[Br0ckout]

Describe the solution you'd like
Click and drag would be a better solution to order them IMO, like how Finder works on MacOS.

[ldsands]

If it isn't too much to add in addition to the draging up and down to rearrange, access to a json file similar to what we have access to for the terminal options would be very useful as well.

[JaiganeshKumaran]

@yaichenbaum @duke7553 Can I create a custom control for this? Rearranging with drag is not easy with the navigation view control. It was designed for static navigation items and not meant for pinning stuff.

[yaira2]

@JaiganeshKumaran We plan on implementing some other changes to the sidebar #692. It's ok to use a different control such as a ListView as long as it can support the UI we are aiming for.

[JaiganeshKumaran]

List view has built-in rearrange feature so we only need to save the state.

[yaira2]

@JaiganeshKumaran Will it support a hierarchical menu?

[JaiganeshKumaran]

@yaichenbaum List view doesn't support that so we can use tree view instead which also supports reordering.

[yaira2]

This issue should be resolved with #5979.