Merge pull request #3020 from dmnsgn/feat-originalFileName-3008

feat(rollup-plugin-import-meta-assets): add originalFileName to emitFile

Author: bashmish

.changeset/sweet-lobsters-rush.md

@@ -0,0 +1,5 @@
+---
+'@web/rollup-plugin-import-meta-assets': patch
+---
+
+add originalFileName to emitFile

packages/rollup-plugin-import-meta-assets/src/rollup-plugin-import-meta-assets.js

@@ -176,6 +176,7 @@ ${`    default: return new Promise(function(resolve, reject) {
               const ref = this.emitFile({
                 type: 'asset',
                 name: assetName,
+                originalFileName: absoluteAssetPath,
                 source: transformedAssetContents,
               });
               magicString.overwrite(