[Cursor Location Value panel] handle "Can not transform from <crs1> to <crs2> on QgsPointXY..." exception

A transformation from one CRS to another CRS is not always possible.

In that case, the get’s no feedback in the GUI.

In the console you see an error:

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Can not transform from WGS 84 / UTM zone 33N to Ammassalik 1958 / Greenland zone 7 east on QgsPointXY <QgsPointXY: POINT(385810.41852719057351351 5814548.55609894078224897)>
forward transform of
(inf, inf)
Error: Fallback transform failed
Traceback (most recent call last):
  File "D:\source\QGISPlugIns\enmap-box\enmapbox\gui\enmapboxgui.py", line 1371, in <lambda>
    lambda crs, pt, c=canvas: self.setCurrentLocation(SpatialPoint(crs, pt), canvas)
  File "D:\source\QGISPlugIns\enmap-box\enmapbox\gui\enmapboxgui.py", line 1801, in setCurrentLocation
    self.loadCursorLocationValueInfo(spatialPoint, mapCanvas)
  File "D:\source\QGISPlugIns\enmap-box\enmapbox\gui\enmapboxgui.py", line 967, in loadCursorLocationValueInfo
    self.ui.cursorLocationValuePanel.loadCursorLocation(spatialPoint, mapCanvas)
  File "D:\source\QGISPlugIns\enmap-box\enmapbox\qgispluginsupport\qps\cursorlocationvalue.py", line 398, in loadCursorLocation
    self.setCursorLocation(point)
  File "D:\source\QGISPlugIns\enmap-box\enmapbox\qgispluginsupport\qps\cursorlocationvalue.py", line 543, in setCursorLocation
    self.updateCursorLocationInfo()
  File "D:\source\QGISPlugIns\enmap-box\enmapbox\qgispluginsupport\qps\cursorlocationvalue.py", line 550, in updateCursorLocationInfo
    self.tbX.setText('{}'.format(pt.x()))
AttributeError: 'NoneType' object has no attribute 'x'

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How to reproduce:

display enmap_berlin.bsq
set EPSG: 2296 as Cursor Location Values CRS
click a location

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