Change path name -bundle 2

[elsazac]

Refs: #1460

Changing the path name from "Eclipse UI" to "eclipseui" to avoid space in path names and to make it UNIX friendly.

For : bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/fieldassist bundles

File names changed are :

1. bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/fieldassist/ContentAssistField.java
2. bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/fieldassist/ContentAssistCommandAdapter.java
3. bundles/org.eclipse.ui.workbench/Eclipse UI/org/eclipse/ui/fieldassist/package.html

[github-actions]

Test Results

0 files   -  1 821  0 suites   - 1 821   0s ⏱️ - 1h 47m 47s
0 tests  -  7 714  0 ✅  -  7 486  0 💤  - 228  0 ❌ ±0 
0 runs   - 24 303  0 ✅  - 23 556  0 💤  - 747  0 ❌ ±0 

Results for commit 9b3c5a0. ± Comparison against base commit ec2d9bd.

♻️ This comment has been updated with latest results.

[akurtakov]

I assume this one is no longer needed, right?