Create new ImageSource configuration panel

• Type: Technical Task
• Status: Closed
• Priority: Minor
• Resolution: Completed
• Affects Version/s: None
• Fix Version/s: None
• Component/s: Pages > Page Editor
• Labels: None
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/96089

As described in the design (see parent story), we need to remove existing MappingPanel for editable images and merge it's content with the ImageProperties panel, including:

• Image selection
• Image mapping
• Adaptive media configuration