Draft: suppress patharray offset warnings if values are already zero

See forum topic:
https://forum.freecad.org/viewtopic.php?t=91517

src/Mod/Draft/draftobjects/patharray.py

@@ -463,13 +463,25 @@ def placements_on_path(shapeRotation, pathwire, count, xlate, align,
         ends.append(cdist)
 
     if startOffset > (cdist - 1e-6):
-        _wrn(translate("draft", "Start Offset too large for path length. Using zero instead."))
+        if startOffset != 0:
+            _wrn(
+                translate(
+                    "draft",
+                    "Start Offset too large for path length. Using zero instead."
+                )
+            )
         start = 0
     else:
         start = startOffset
 
     if endOffset > (cdist - start - 1e-6):
-        _wrn(translate("draft", "End Offset too large for path length minus Start Offset. Using zero instead."))
+        if endOffset != 0:
+            _wrn(
+                translate(
+                    "draft",
+                    "End Offset too large for path length minus Start Offset. Using zero instead."
+                )
+            )
         end = 0
     else:
         end = endOffset