feat(governance): Enable CreateCanisterAndInstallCode proposals. (#9826)

# References

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[prev]: #9807

Author: daniel-wong-dfinity-org

rs/nns/governance/src/lib.rs

@@ -214,7 +214,7 @@ thread_local! {
         = const { Cell::new(true) };
 
     static ENABLE_CREATE_CANISTER_AND_INSTALL_CODE_PROPOSALS: Cell<bool>
-        = const { Cell::new(cfg!(feature = "test")) };
+        = const { Cell::new(true) };
 
     static ENABLE_SUBNET_SPLITTING_PROPOSALS: Cell<bool>
         = const { Cell::new(false) };

rs/nns/governance/unreleased_changelog.md

@@ -9,6 +9,8 @@ on the process that this file is part of, see
 
 ## Added
 
+* Enabled CreateCanisterAndInstallCode proposals.
+
 ## Changed
 
 ## Deprecated