Reduce footprint len to 2.5mm

fab.pretty/Button_Omron_B3SN_6x6mm.kicad_mod

-(module Button_Omron_B3SN_6x6mm (layer F.Cu) (tedit 5EC6588A)
+(module Button_Omron_B3SN_6x6mm (layer F.Cu) (tedit 5EC65B05)
   (descr "Surface Mount Tactile Switch for High-Density Packaging")
   (tags "Tactile Switch")
   (attr smd)
@@ -24,10 +24,10 @@
   (fp_text user %R (at 0 -4.5) (layer F.Fab)
     (effects (font (size 1 1) (thickness 0.15)))
   )
-  (pad 2 smd rect (at 3.5 2) (size 3 1.5) (layers F.Cu F.Paste F.Mask))
-  (pad 2 smd rect (at -3.5 2) (size 3 1.5) (layers F.Cu F.Paste F.Mask))
-  (pad 1 smd rect (at 3.5 -2) (size 3 1.5) (layers F.Cu F.Paste F.Mask))
-  (pad 1 smd rect (at -3.5 -2) (size 3 1.5) (layers F.Cu F.Paste F.Mask))
+  (pad 2 smd rect (at 3.5 2) (size 2.5 1.5) (layers F.Cu F.Paste F.Mask))
+  (pad 2 smd rect (at -3.5 2) (size 2.5 1.5) (layers F.Cu F.Paste F.Mask))
+  (pad 1 smd rect (at 3.5 -2) (size 2.5 1.5) (layers F.Cu F.Paste F.Mask))
+  (pad 1 smd rect (at -3.5 -2) (size 2.5 1.5) (layers F.Cu F.Paste F.Mask))
   (model ${KISYS3DMOD}/Buttons_Switches_SMD.3dshapes/SW_SPST_B3S-1000.wrl
     (at (xyz 0 0 0))
     (scale (xyz 1 1 1))