PD: improve task panel for linear patterns:

* set range of Occurrences property to spin box
* connect signals after initializing widgets to avoid superfluous recomputes and possible inconsistencies

src/Mod/PartDesign/Gui/TaskLinearPatternParameters.h

@@ -80,6 +80,7 @@ protected:
     unsigned getOccurrences(void) const;
 
 private:
+    void connectSignals();
     void setupUI();
     void updateUI();
     void kickUpdateViewTimer() const;