increase pick radius for plot_lines_dots with lines only

sohstationviewer/view/plotting/plotting_widget/plotting.py

@@ -301,7 +301,7 @@ class Plotting:
                                     linestyle='-', linewidth=0.7,
                                     zorder=constants.Z_ORDER['LINE'],
                                     color=clr[l_color],
-                                    picker=True, pickradius=2)
+                                    picker=True, pickradius=3)
             else:
                 ax.myPlot = ax.plot(x, y, marker='s', markersize=1.5,
                                     linestyle='-', linewidth=0.7,