fix(cli): fix tauri migrate failing to install NPM deps when running from Deno (#11523)

* fix(cli): fix `tauri migrate` failing to install NPM deps when running from Deno

* clippy

Author: amrbashir

.changes/cli-migrate-deno.md

@@ -0,0 +1,7 @@
+---
+"tauri-cli": "patch:bug"
+"@tauri-apps/cli": "patch:bug"
+---
+
+Fix `tauri migrate` failing to install NPM depenencies when running from Deno.
+

crates/tauri-cli/src/add.rs

@@ -90,10 +90,7 @@ pub fn run(options: Options) -> Result<()> {
         }));
 
       let npm_spec = match (npm_version_req, options.tag, options.rev, options.branch) {
-        (Some(version_req), _, _, _) => match manager {
-          PackageManager::Deno => format!("npm:{npm_name}@{version_req}"),
-          _ => format!("{npm_name}@{version_req}"),
-        },
+        (Some(version_req), _, _, _) => format!("{npm_name}@{version_req}"),
         (None, Some(tag), None, None) => {
           format!("tauri-apps/tauri-plugin-{plugin}#{tag}")
         }

crates/tauri-cli/src/helpers/npm.rs

@@ -122,10 +122,15 @@ impl PackageManager {
         .join(", ")
     );
 
-    let status = self
-      .cross_command()
-      .arg("add")
-      .args(dependencies)
+    let mut command = self.cross_command();
+    command.arg("add");
+
+    match self {
+      PackageManager::Deno => command.args(dependencies.iter().map(|d| format!("npm:{d}"))),
+      _ => command.args(dependencies),
+    };
+
+    let status = command
       .current_dir(frontend_dir)
       .status()
       .with_context(|| format!("failed to run {self}"))?;