Wasm target check before build (#1689)

* Add `rustup show` check for wasm32 target

* better place for check

* fmt

* clippy fmt

packages/cli/src/cli/build.rs

@@ -37,8 +37,8 @@ impl Build {
             .platform
             .unwrap_or(crate_config.dioxus_config.application.default_platform);
 
-        #[cfg(feature = "plugin")]
-        let _ = PluginManager::on_build_start(&crate_config, &platform);
+        // #[cfg(feature = "plugin")]
+        // let _ = PluginManager::on_build_start(&crate_config, &platform);
 
         match platform {
             Platform::Web => {
@@ -66,8 +66,8 @@ impl Build {
         )?;
         file.write_all(temp.as_bytes())?;
 
-        #[cfg(feature = "plugin")]
-        let _ = PluginManager::on_build_finish(&crate_config, &platform);
+        // #[cfg(feature = "plugin")]
+        // let _ = PluginManager::on_build_finish(&crate_config, &platform);
 
         Ok(())
     }