fix template folding rope strings

[dylan-conway]

resolve rope strings before pushing to the previous string.

fixes #2893

[github-actions]

❌ @dylan-conway 23 files with test failures on linux-x64:

• test/bundler/build.test.ts
• test/bundler/bundler_browser.test.ts
• test/bundler/bundler_edgecase.test.ts
• test/bundler/bundler_jsx.test.ts
• test/bundler/bundler_naming.test.ts
• test/bundler/bundler_plugin.test.ts
• test/bundler/esbuild/dce.test.ts
• test/bundler/esbuild/default.test.ts
• test/bundler/esbuild/extra.test.ts
• test/bundler/esbuild/importstar.test.ts
• test/bundler/esbuild/loader.test.ts
• test/bundler/esbuild/splitting.test.ts
• test/bundler/esbuild/ts.test.ts
• test/bundler/esbuild/tsconfig.test.ts
• test/cli/run/preload-test.test.js
• test/cli/run/run-cjs.test.ts
• test/js/bun/plugin/plugins.test.ts
• test/js/bun/resolve/png/test-png-import.test.js
• test/js/bun/test/preload-test.test.js
• test/js/bun/test/snapshot-tests/snapshots/more-snapshots/different-directory.test.ts
• test/js/bun/test/snapshot-tests/snapshots/more.test.ts
• test/js/node/child_process/child_process-node.test.js
• test/transpiler/transpiler.test.js

View test output

^{#70f1c2e21c19673261fc584369e59545e60150bd}

[github-actions]

❌ @dylan-conway 23 files with test failures on linux-x64-baseline:

• test/bundler/build.test.ts
• test/bundler/bundler_browser.test.ts
• test/bundler/bundler_edgecase.test.ts
• test/bundler/bundler_jsx.test.ts
• test/bundler/bundler_naming.test.ts
• test/bundler/bundler_plugin.test.ts
• test/bundler/esbuild/dce.test.ts
• test/bundler/esbuild/default.test.ts
• test/bundler/esbuild/extra.test.ts
• test/bundler/esbuild/importstar.test.ts
• test/bundler/esbuild/loader.test.ts
• test/bundler/esbuild/splitting.test.ts
• test/bundler/esbuild/ts.test.ts
• test/bundler/esbuild/tsconfig.test.ts
• test/cli/run/preload-test.test.js
• test/cli/run/run-cjs.test.ts
• test/js/bun/plugin/plugins.test.ts
• test/js/bun/resolve/png/test-png-import.test.js
• test/js/bun/test/preload-test.test.js
• test/js/bun/test/snapshot-tests/snapshots/more-snapshots/different-directory.test.ts
• test/js/bun/test/snapshot-tests/snapshots/more.test.ts
• test/js/node/child_process/child_process-node.test.js
• test/transpiler/transpiler.test.js

View test output

^{#70f1c2e21c19673261fc584369e59545e60150bd}

[github-actions]

❌ @dylan-conway 24 files with test failures on bun-darwin-x64-baseline:

• test/bundler/build.test.ts
• test/bundler/bundler_browser.test.ts
• test/bundler/bundler_edgecase.test.ts
• test/bundler/bundler_jsx.test.ts
• test/bundler/bundler_naming.test.ts
• test/bundler/bundler_plugin.test.ts
• test/bundler/esbuild/dce.test.ts
• test/bundler/esbuild/default.test.ts
• test/bundler/esbuild/extra.test.ts
• test/bundler/esbuild/importstar.test.ts
• test/bundler/esbuild/loader.test.ts
• test/bundler/esbuild/splitting.test.ts
• test/bundler/esbuild/ts.test.ts
• test/bundler/esbuild/tsconfig.test.ts
• test/cli/run/preload-test.test.js
• test/cli/run/run-cjs.test.ts
• test/js/bun/plugin/plugins.test.ts
• test/js/bun/resolve/png/test-png-import.test.js
• test/js/bun/sqlite/sqlite.test.js
• test/js/bun/test/preload-test.test.js
• test/js/bun/test/snapshot-tests/snapshots/more-snapshots/different-directory.test.ts
• test/js/bun/test/snapshot-tests/snapshots/more.test.ts
• test/js/web/timers/setTimeout.test.js
• test/transpiler/transpiler.test.js

View test output

^{#70f1c2e21c19673261fc584369e59545e60150bd}