…711, #658, #813, #825, #626, #831, #835 (qt backports: part 5)

20763f1 merge bitcoin-core/gui#835: Fix crash when closing wallet (Kittywhiskers Van Gogh)
b47b1f6 merge bitcoin-core/gui#831: GUIUtil::bringToFront workaround for Wayland (Kittywhiskers Van Gogh)
493768c merge bitcoin-core/gui#626: Showing Local Addresses in Node Window (Kittywhiskers Van Gogh)
4e1b06b merge bitcoin-core/gui#825: Show maximum mempool size in information window (Kittywhiskers Van Gogh)
568753a merge bitcoin-core/gui#813: Don't permit port in proxy IP option (Kittywhiskers Van Gogh)
dc3771e merge bitcoin-core/gui#658: Never change the prune checkbox after the user has touched it (Kittywhiskers Van Gogh)
9f103fb fix: hide the entire transaction widget if discreet mode is enabled (Kittywhiskers Van Gogh)
e9b347f merge bitcoin-core/gui#711: Disable unused special members functions in `UnlockContext` (Kittywhiskers Van Gogh)
8829549 merge bitcoin-core/gui#627: Apply translator comments to reset options confirmation dialog (Kittywhiskers Van Gogh)
d496df0 merge bitcoin-core/gui#612: Drop unused `QFrame`s in `SendCoinsEntry` (Kittywhiskers Van Gogh)
9e4ee65 merge bitcoin-core/gui#617: Reset options, notify user about backup creation (Kittywhiskers Van Gogh)
cc2df46 merge bitcoin-core/gui#594: replace deprecated Q_OS_MAC with Q_OS_MACOS (Kittywhiskers Van Gogh)

Pull request description:

  ## Additional Information

  | `develop` (e23a658)                                       | This PR                                                      |
  | ------------------------------------------------------------ | ------------------------------------------------------------ |
  | ![image](https://github.com/user-attachments/assets/a792bcac-f6f1-4a25-929d-7abc1161625f) | ![image](https://github.com/user-attachments/assets/12daab53-2f84-41c5-938c-87eea367242f) |
  | ![image](https://github.com/user-attachments/assets/fc7ae896-e110-41f7-acd0-cff45e8e3774) | ![image](https://github.com/user-attachments/assets/4441816a-dd2d-4585-a6c9-7aaa771ba65b) |
  | ![image](https://github.com/user-attachments/assets/e884561d-1eef-461b-b852-2fadb493e4e3) | ![image](https://github.com/user-attachments/assets/89edd930-da0c-4d67-b767-1f3298e11a61) |

  ## Breaking Changes

  None expected.

  ## Checklist

  - [x] I have performed a self-review of my own code
  - [x] I have commented my code, particularly in hard-to-understand areas **(note: N/A)**
  - [x] I have added or updated relevant unit/integration/functional/e2e tests
  - [x] I have made corresponding changes to the documentation **(note: N/A)**
  - [x] I have assigned this pull request to a milestone _(for repository code-owners and collaborators only)_

ACKs for top commit:
  UdjinM6:
    utACK 20763f1

Tree-SHA512: 6e047d42685f9f710cd966b838ba354f57628e31314f73fc3f6f9b48bbf8fadac1940a48d19b8cfcf9cee47ec00a16a6f21d43c905d1683fba20e42633054606