[processing] In raster calculator, use filename without extension to refer to layer

Author: volaya

python/plugins/processing/algs/qgis/RasterCalculator.py

@@ -94,7 +94,7 @@ def processAlgorithm(self, progress):
         layersDict = {}
         if layersValue:
             layers = [dataobjects.getObjectFromUri(f) for f in layersValue.split(";")]
-            layersDict = {os.path.basename(lyr.source()): lyr for lyr in layers}
+            layersDict = {os.path.basename(lyr.source().split(".")[0]): lyr for lyr in layers}
 
         for lyr in dataobjects.getRasterLayers():
             name = lyr.name()