Use maybe_load instead of if_present for load_project_info

This only affects `wrangler report`. The old behavior preserved the
behavior from before, but was less helpful because it wouldn't include
the ID if there was only a single ID for the account token.

src/reporter/mod.rs

@@ -202,11 +202,7 @@ fn load_project_info() -> ProjectInfo {
             .insert("script_name".into(), manifest.name);
         project_info.base.insert(
             "account_id".into(),
-            manifest
-                .account_id
-                .if_present()
-                .cloned()
-                .unwrap_or_default(),
+            manifest.account_id.maybe_load().unwrap_or_default(),
         );
         project_info.base.insert(
             "zone_id".into(),

src/settings/toml/manifest.rs

@@ -544,7 +544,7 @@ impl LazyAccountId {
     /// Return the `account_id` in `wrangler.toml`, if present.
     ///
     /// Use this with caution; prefer `maybe_load` instead where possible.
-    pub(crate) fn if_present(&self) -> Option<&String> {
+    fn if_present(&self) -> Option<&String> {
         self.0.get()
     }