fix: fix conversion in create_payload_index, add tests

[joein]

we forgot to use conversion for parametrized payload indices in create_payload_index

this PR adds the necessary invocations

a bug in core was found related to the creation of parametrized geo and bool indices

grpc._channel._InactiveRpcError: <_InactiveRpcError of RPC that terminated with:
	status = StatusCode.INVALID_ARGUMENT
	details = "field_type (Geo) and field_index_params do not match"
	debug_error_string = "UNKNOWN:Error received from peer  {grpc_message:"field_type (Geo) and field_index_params do not match", grpc_status:3, created_time:"2024-08-20T21:42:22.125081+02:00"}"

There are new tests, which can reproduce this error (tests/test_qdrant_client.py::test_create_payload_index)

grpc code snippet to reproduce the issue:

from qdrant_client import grpc
from qdrant_client import QdrantClient, models

collection_name = "checkgeo"
cl = QdrantClient(prefer_grpc=True)
if cl.collection_exists(collection_name):
    cl.delete_collection(collection_name)
cl.create_collection(
    collection_name, vectors_config=models.VectorParams(size=2, distance=models.Distance.COSINE)
)
field_name = "testfield"
field_schema = grpc.FieldType.FieldTypeGeo
field_index_params = grpc.PayloadIndexParams(geo_index_params=grpc.GeoIndexParams())
request = grpc.CreateFieldIndexCollection(
    collection_name=collection_name,
    field_name=field_name,
    field_type=field_schema,
    field_index_params=field_index_params,
    wait=True,
)

print(cl._client.grpc_points.CreateFieldIndex(request).result)

cc: @coszio

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