[birt-dev] Checkin: fix when image uri is invalid resource path, but a U

["Yuejie Chen" <yuejie.chen@xxxxxxxxxxx>]

- Summary: fix when image uri is invalid resource path, but a URL, can't show in editor.

- Bugzilla Bug (s) Resolved:
None
- Description:
When image uri is not valid resource path, do not use model api to resolve path, just use the path.

- Tests Description:

- Notes to Build Team:

- Notes to Developers:

- Notes to QA:

- Notes to Documentation:

- Files Edited:

/org.eclipse.birt.report.designer.core/src/org/eclipse/birt/report/designer/core/model/schematic/ImageHandleAdapter.java

- Files Added:

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