3440270 Update sobki theme bootstrap to work with new ui_styles plugin system.

Closes #3440270

requested review from @florenttorregrosa

assigned to @florenttorregrosa

added 4 commits

• be343445...07ac619e - 3 commits from branch project:10.0.x
• 02c6fd1a - Merge branch '10.0.x' into '3440270-ui-styles-new-plugin-system'

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resolved all threads

added 12 commits

• 02c6fd1a...1b91aada - 10 commits from branch project:10.0.x
• 2dd37f58 - 3440270 Update sobki theme bootstrap to work with new ui_styles plugin system.
• 5043e75e - Issue #3440270 by maboy, grimreaper: Replace hardcoded UI Styles...

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merged