line edit: do not display clear icon when read only
setReadOnly will call paintEvent, followup ce486da41ea29f54406934d366c1bf00a205278d
[TRANSUP] transifex and string update

Signed-off-by: Werner Macho <werner.macho@gmail.com>
[processing] fixed how models read help info
[processing] moved initialization to initGui() method
use right-click for extended menu in identify map tool (to be removed when a true contextual menu is implemented)
[processing] add "Save as" functionality to History dialog (fix #10086)
[processing] use checkbox for boolean parameters
Fix heatmap failing for multipoint tables, fix incorrect calculation
of heatmap input layer.
Clean up and modernise heatmap dialog using QgsMapLayerComboBox
and QgsFieldComboBox.
Add option for unscaled values for heatmaps rasters, set as default
Add tooltips for form/table switcher buttons in attribute dialog
Editor widgets: Show NULL value on numeric line edit
Merge remote-tracking branch 'upstream/master' into CategorizedRendererUpdate
Reverting class editor patch