function `condition_if` will compare int and string

[wenfengwang]

Bug Report

Please answer these questions before submitting your issue. Thanks!

1. Minimal reproduce step (Required)

1. create a subscription

vsctl subscription create \
    --eventbus test \
    --sink "http://sink-display:8080" \
    --transformer '{
        "pipeline": [
            {"command":["condition_if","$.data.color", "$.data.test", ">", "bug", "a", "b"]}
        ]

2. send an event

vsctl event put test --source test --type test \
  --data '{
  "test": 120
}'

2. What did you expect to see? (Required)

no warn log

3. What did you see instead (Required)

...
time="2022-12-24T11:33:24Z" level=warning msg="action execute error" command=CONDITION_IF error="cannot cast from String to Float: strconv.ParseFloat: parsing \"bug\": invalid syntax"

4. What is your Vanus version? (Required)

v0.5.3