Count and report progress based on expected total

Algorithm appears to freeze without progress while `extent_engine.intersects(geom.constGet())` returns false. 

This keeps the progress bar continuous and smooth, even if the feature ends up not being added.

(noticed this because the algo hangs for 2 mins while processing a large dataset which I think is outside the extent somehow. None of the points going in. No apparent progress.)

Author: jfeldstein

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

@@ -155,8 +155,10 @@ def processAlgorithm(self, parameters, context, feedback):
                     f.setGeometry(geom)
                     sink.addFeature(f, QgsFeatureSink.FastInsert)
                     x += pSpacing
-                    count += 1
-                    feedback.setProgress(int(count * total))
+
+                count += 1
+                feedback.setProgress(int(count * total))
+                
             y = y - pSpacing
 
         return {self.OUTPUT: dest_id}