fix(plugin): rename files to apps_ prefix and handle Close() errors (#1655)

- Rename plugin_install/list/uninstall .go files to apps_plugin_ prefix
  for consistency with other files in the package
- Handle f.Close() errors in pluginExtractTGZ to avoid silent data loss

shortcuts/apps/plugin_common.go

@@ -373,10 +373,14 @@ func pluginExtractTGZ(r io.Reader, destDir string) error {
 				return err
 			}
 			if _, err := io.Copy(f, tr); err != nil { //nolint:gosec // bounded by tar entry size
-				f.Close()
+				if cerr := f.Close(); cerr != nil {
+					return fmt.Errorf("copy tar entry: %w; close file: %v", err, cerr)
+				}
+				return err
+			}
+			if err := f.Close(); err != nil {
 				return err
 			}
-			f.Close()
 		}
 	}
 	return nil