[birt-dev]CheckIn: Fix Bugzilla Bug 140395 --- IImage.getID() return nul

["Wei Zhao (Shang)" <wei.zhao@xxxxxxxxxxx>]

Title: [birt-dev]CheckIn: Fix Bugzilla Bug 140395 --- IImage.getID() return null on chart images

Summary 
Put instance ID as the image ID in the render task before calling Imagehandler

Bugzilla Bug (s) Resolved:
Fix Bugzilla Bug 140395 --- IImage.getID() return null on chart images

Description:
Why:
All customer images (include chart & blob image) has no id as each one is different with each other.
So old code did not set id.

Fix:
Fixed.
 
Test Description:
None
 
Files Edited:
"/org.eclipse.birt.report.engine/src/org/eclipse/birt/report/engine/api/impl/Image.java"

Files Added:

Notes to Build Team:
 
Notes to Developers:

Notes to QA:
 
Quotes to Documentation:

-Wei Zhao