Default to experimental locking

- changing the name of the field since existing projects would have an explicit false value already

crates/gitbutler-branch-actions/src/status.rs

@@ -98,7 +98,7 @@ pub fn get_applied_status_cached(
     let vb_state = ctx.project().virtual_branches();
     let default_target = vb_state.get_default_target()?;
 
-    let locks = if ctx.project().use_new_locking {
+    let locks = if ctx.project().use_experimental_locking {
         compute_locks(
             ctx,
             &workspace_head,

crates/gitbutler-branch-actions/tests/virtual_branches/mod.rs

@@ -34,7 +34,7 @@ impl Default for Test {
             .add(test_project.path())
             .expect("failed to add project");
         // TODO: Remove after transition is complete.
-        project.use_new_locking = true;
+        project.use_experimental_locking = true;
 
         Self {
             repository: test_project,

crates/gitbutler-project/src/project.rs

@@ -98,8 +98,13 @@ pub struct Project {
     #[serde(default)]
     pub git_host: GitHostSettings,
     // Experimental flag for new hunk dependency algorithm
-    #[serde(default)]
-    pub use_new_locking: bool,
+    #[serde(default = "default_true")]
+    pub use_experimental_locking: bool,
+}
+
+// TODO: Remove after `use_experimental` has been removed.
+fn default_true() -> bool {
+    true
 }
 
 #[derive(Debug, Deserialize, Serialize, Clone, Default)]

crates/gitbutler-project/src/storage.rs

@@ -130,7 +130,7 @@ impl Storage {
         }
 
         if let Some(use_new_locking) = &update_request.use_new_locking {
-            project.use_new_locking = *use_new_locking;
+            project.use_experimental_locking = *use_new_locking;
         }
 
         self.inner