feat: mask secret data in preview result

[liu-hm19]

What type of PR is this?

/kind feature

What this PR does / why we need it:

This PR masks the data and stringData in kusion preview result.

Which issue(s) this PR fixes:

Fixes #1174

Special notes for your reviewer:

Does this PR introduce a user-facing change?

Additional documentation e.g., design docs, usage docs, etc.:

[coveralls]

Pull Request Test Coverage Report for Build 9611810421

Details

• 81 of 110 (73.64%) changed or added relevant lines in 1 file are covered.
• 3 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.1%) to 54.329%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/util/diff/diff.go	81	110	73.64%

Files with Coverage Reduction	New Missed Lines	%
pkg/engine/operation/parser/parser.go	3	79.27%

Totals
Change from base Build 9610443685:	0.1%
Covered Lines:	9181
Relevant Lines:	16899

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9709719978

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.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 83 of 116 (71.55%) changed or added relevant lines in 1 file are covered.
• 378 unchanged lines in 9 files lost coverage.
• Overall coverage decreased (-0.02%) to 54.162%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/util/diff/diff.go	83	116	71.55%

Files with Coverage Reduction	New Missed Lines	%
pkg/engine/operation/parser/parser.go	3	79.27%
pkg/engine/operation/preview.go	4	78.26%
pkg/engine/operation/parser/spec_parser.go	4	56.1%
pkg/secrets/providers.go	8	67.74%
pkg/config/validation.go	10	75.65%
pkg/apis/api.kusion.io/v1/types.go	14	0.0%
pkg/cmd/preview/preview.go	52	39.57%
pkg/engine/operation/graph/resource_node.go	98	55.96%
pkg/cmd/apply/apply.go	185	50.3%

Totals
Change from base Build 9610443685:	-0.02%
Covered Lines:	9200
Relevant Lines:	16986

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 9710845116

Details

• 105 of 116 (90.52%) changed or added relevant lines in 1 file are covered.
• 3 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.2%) to 54.184%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/util/diff/diff.go	105	116	90.52%

Files with Coverage Reduction	New Missed Lines	%
pkg/engine/operation/parser/parser.go	3	79.27%

Totals
Change from base Build 9710426125:	0.2%
Covered Lines:	9247
Relevant Lines:	17066

---

💛 - Coveralls

[SparkYuan]

lgtm

[SparkYuan]

lgtm