Fix #124431: Division by zero in Resample Curves

`get_count_input_from_length()` did not check whether length is zero,
this would cause division by zero exception. Now will return a segment
count of 1 when a zero length is given.

Pull Request: https://projects.blender.org/blender/blender/pulls/124440

source/blender/geometry/intern/resample_curves.cc

@@ -37,6 +37,9 @@ static fn::Field<int> get_count_input_from_length(const fn::Field<float> &length
       [](const float curve_length, const float sample_length) {
         /* Find the number of sampled segments by dividing the total length by
          * the sample length. Then there is one more sampled point than segment. */
+        if (UNLIKELY(sample_length == 0.0f)) {
+          return 1;
+        }
         const int count = int(curve_length / sample_length) + 1;
         return std::max(1, count);
       },