Use Layer Extent... in processing algorithms doesn't work

[qgib]

Author Name: Oto Kalab (@kalab-oto)
Original Redmine Issue: 21492
Affected QGIS version: 3.4.5
Redmine category:processing/core

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Extent option Use Layer Extent... in processing algorithms (i.e. Extract/clip by extent) doesn't work. Other two options (Use Canvas Extent, Select Extent on Canvas) works fine. This does not cause crash, just give python error and nothing happen.

Traceback (most recent call last):
              File "/usr/share/qgis/python/plugins/processing/gui/ExtentSelectionPanel.py", line 167, in useLayerExtent
              dlg = LayerSelectionDialog(self)
              File "/usr/share/qgis/python/plugins/processing/gui/ExtentSelectionPanel.py", line 72, in __init__
              QgsMapLayerProxyModel.HasGeometry | QgsMapLayerProxyModel.RasterLayer | QgsMapLayerProxyModel.MeshLayer)
             AttributeError: type object 'QgsMapLayerProxyModel' has no attribute 'MeshLayer'

[qgib]

Author Name: Nyall Dawson (@nyalldawson)

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Fixed in 3.4.6

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• resolution was changed from to fixed/implemented
• status_id was changed from Open to Closed