Swap zoom to cursor with zoom to center action

Carsten Hartenfelsrequested to merge
hartenfels/krita:feature/zoomcenter into master

In a8bee67d, new "zoom to center" actions were added, which zoom into the center of the canvas instead of where the cursor is pointing. However, instead of actually adding new actions for this new behavior, the old actions were modified to have the new behavior and the old behavior was added as new "zoom at cursor" actions. That obviously causes regressions because everyone's canvas input settings suddenly get switched to the new behavior.

This rectifies the situation by swapping the old actions back into the place where they were before, making zooming at the cursor the default again. Of course that means anyone who meanwhile changed their canvas inputs to work against this breakage will get broken again, but hopefully since they did it once, they'll also be able to do it again.

BUG:515554

Test Plan

  • With a fresh install of Krita, zoom with the mouse wheel. Observe that it zooms where you point the cursor, not at the center of the canvas.

Formalities Checklist

  • I confirmed this builds.
  • I confirmed Krita ran and the relevant functions work.
  • I tested the relevant unit tests and can confirm they are not broken. (If not possible, don't hesitate to ask for help!)
  • I made sure my commits build individually and have good descriptions as per KDE guidelines.
  • I made sure my code conforms to the standards set in the HACKING file.
  • I can confirm the code is licensed and attributed appropriately, and that unattributed code is mine, as per KDE Licensing Policy.
  • Does the patch add a user-visible feature? If yes, is there a documentation MR ready for it at Krita Documentation Repository?

Reminder: the reviewer is responsible for merging the patch, this is to ensure at the least two people can build the patch. In case a patch breaks the build, both the author and the reviewer should be contacted to fix the build. If this is not possible, the commits shall be reverted, and a notification with the reasoning and any relevant logs shall be sent to the mailing list, kimageshop@kde.org.

Edited by Carsten Hartenfels

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