[Enhancement request] add an eye icon to temporarily view the password entered

[ralfhauser]

This in particular as ctrl-v from my password-safe currently pastes the password twice concatenated (not if I ctrl-v for example to notePad++)

-- Configuration Details --
Product: Eclipse IDE 4.40.0.20260430-0612 (org.eclipse.epp.package.jee.product)Installed Features:
org.eclipse.pde 3.16.700.v20260423-1800