[WIP] Disable cycling while editing a PM

[Subhasish-Behera]

What does this PR do? -> Disables cycling during editing a PM by tab key . -> Shows a warning if one uses tab during editing a PM.

Partial fix for #774

Tested?

• [X] Manually
• [X] Existing tests (adapted, if necessary)
• [x] New tests added (for any new behavior)
• [X] Passed linting & tests (each commit)

Commit flow

commit 1: changes made to boxes.py commit 2: changes made to test_boxes.py Notes & Questions

Interactions

Visual changes

[Subhasish-Behera]

@zulipbot add "PR needs review"

[zulipbot]

Heads up @Subhasish-Behera, we just merged some commits that conflict with the changes you made in this pull request! You can review this repository's recent commits to see where the conflicts occur. Please rebase your feature branch against the upstream/main branch and resolve your pull request's merge conflicts accordingly.

[Subhasish-Behera]

The new code dosen't need self.reply_keypressed or self.edit_keypressed to track which key triggered the private_box_view as you suggested.

[Subhasish-Behera]

@zulipbot add "PR needs review"

[neiljp]

@Subhasish-Behera Is this ready for another review?

[Subhasish-Behera]

@Subhasish-Behera Is this ready for another review?

Yep.

[zulipbot]

Heads up @Subhasish-Behera, we just merged some commits that conflict with the changes you made in this pull request! You can review this repository's recent commits to see where the conflicts occur. Please rebase your feature branch against the upstream/main branch and resolve your pull request's merge conflicts accordingly.