bug #24710 [TwigBridge] Fix template paths in profiler (ro0NL)

This PR was merged into the 3.4 branch.

Discussion
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[TwigBridge] Fix template paths in profiler

| Q             | A
| ------------- | ---
| Branch?       | 3.4
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes/no
| Fixed tickets | #24540
| License       | MIT
| Doc PR        | symfony/symfony-docs#... <!--highly recommended for new features-->

Fixes the profiler being unavailable with non filesystem templates.

![image](https://user-images.githubusercontent.com/1047696/32117680-87866354-bb4f-11e7-9cb9-428ad6751a1e.png)

Commits
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c9174dff [TwigBridge] Fix template paths in profiler