[client-python] missing mandatory input in Case Rfi/Rft queries (#725)

Author: Archidoit

pycti/entities/opencti_case_rfi.py

@@ -747,7 +747,7 @@ def add_stix_object_or_stix_relationship(self, **kwargs):
                 },
             )
             query = """
-               mutation CaseRfiEditRelationAdd($id: ID!, $input: StixRefRelationshipAddInput) {
+               mutation CaseRfiEditRelationAdd($id: ID!, $input: StixRefRelationshipAddInput!) {
                    stixDomainObjectEdit(id: $id) {
                         relationAdd(input: $input) {
                             id

pycti/entities/opencti_case_rft.py

@@ -746,7 +746,7 @@ def add_stix_object_or_stix_relationship(self, **kwargs):
                 },
             )
             query = """
-               mutation CaseRftEditRelationAdd($id: ID!, $input: StixRefRelationshipAddInput) {
+               mutation CaseRftEditRelationAdd($id: ID!, $input: StixRefRelationshipAddInput!) {
                    stixDomainObjectEdit(id: $id) {
                         relationAdd(input: $input) {
                             id