[layertree] Added QgsLayerTreeModel doxygen docs + minor API changes
[layertree] Fix #10373 (embedded group not loaded if with relative path)
[layertree] Use writePath() for embedded groups (absolute vs relative path)
[layertree] Doxygen docs for QgsLayerTreeView
Better implementation of 20015e72
Fix #10345
Fix add features dialog
Fix #10362
Make sure a widget is initialized when creating a widget wrapper
Fix #10357
[TRANSUP] pl: SelectionPanel, QObject, App, LayerTreeView
Merge pull request #1396 from Cracert/i18n

[TRANSUP] pl: SelectionPanel, QObject, App, LayerTreeView
sip sync
german translation update
fix sip sync merge
[processing] fixes extract by location alg (fixes #10241)
Fix tooltip for save button on symbol dialog
Fix #10368
Fix for bug #10372 (QGIS Server WMS does not put SERVICE section in GetCapabilities anymore)