fix: evaluator if order bug

[Peefy]

1. Does this PR affect any open issues?(Y/N) and add issue references (e.g. "fix #123", "re #123".):

• N
• Y

re crossplane-contrib/function-kcl#125

fix #1566

• fix: evaluator if order bug

The expected output of the following code is

_items = []
if False:
    _items += [ {key1 = "value1"} ]
if True:
    _items += [ {key2 = "value2"} ]
items = _items

items:
- key2: value2

[zong-zhe]

LGTM

[coveralls]

Pull Request Test Coverage Report for Build 10382735436

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

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Details

• 41 of 43 (95.35%) changed or added relevant lines in 5 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.01%) to 70.559%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
kclvm/evaluator/src/lazy.rs	33	35	94.29%

Totals
Change from base Build 10367263780:	0.01%
Covered Lines:	50513
Relevant Lines:	71590

---

💛 - Coveralls