fix installer-gui-check

Author: untitaker

.github/workflows/main.yml

@@ -149,11 +149,9 @@ jobs:
     # fmt --all runs on all workspace packages so this is handled by
     # check_and_test above
     - name: Check
-      run: |
-        SKIP_INSTALLER_COPY=true cargo check --package installer-gui --verbose
+      run: NO_FIRMWARE_BIN=true cargo check --package installer-gui --verbose
     - name: Run clippy
-      run: |
-        SKIP_INSTALLER_COPY=true cargo clippy --package installer-gui --verbose
+      run: NO_FIRMWARE_BIN=true cargo clippy --package installer-gui --verbose
 
   test_daemon_frontend:
     needs: files_changed