Fix T93873: Wrong limits for color socket exposed to modifier

Limit the min and max of the IDProperty for the node group input
from 0 to infinity, and the soft min and max between 0 and 1.

Thanks to @PratikPB2123 for investigation.

source/blender/modifiers/intern/MOD_nodes.cc

@@ -435,6 +435,10 @@ static IDProperty *id_property_create_from_socket(const bNodeSocket &socket)
       ui_data->base.rna_subtype = PROP_COLOR;
       ui_data->default_array = (double *)MEM_mallocN(sizeof(double[4]), __func__);
       ui_data->default_array_len = 4;
+      ui_data->min = 0.0;
+      ui_data->max = FLT_MAX;
+      ui_data->soft_min = 0.0;
+      ui_data->soft_max = 1.0;
       for (const int i : IndexRange(4)) {
         ui_data->default_array[i] = double(value->value[i]);
       }