Change layout engine and reset all axes

Prep. for new DistributionPlot

The new DistributionPlot will use multiple axis, so need to be able to reset all axes
at reset(). Otherwise will get log-scale error when un-checking the log-scale checkbox.

Author: eilskra

src/ert/gui/plotting/widgets/plot_widget.py

@@ -151,6 +151,11 @@ def __init__(
         self.resetPlot()
 
     def resetPlot(self) -> None:
+        # Some figures contain twinaxes
+        # Resetting the xscale to linear for all axes
+        # to avoid log scale issues when re-plotting after a log scale plot
+        for ax in self._figure.axes:
+            ax.set_xscale("linear")
         self._figure.clear()
 
     @property