## Description
Fix various typos in the source code. This includes user facing code, documentation, and source comments. This PR has not been tested.
Closes#1605
On auto-realod mode, only trigger a new request when the last one has been completed. Avoids requests loops on slow filesystems that can lead to UI freezes.
Make FeaturesViewer available in Viewer2D to display the feature points of the current view, based on the current FeatureExtraction node.
* FeaturesInfoOverlay: overlay that displays info and provides controls over a FeaturesViewer component.
* ColorChart: color picker based on a set of predefined colors.
Introduce a new TextFileViewer component with auto-reload feature based on a ListView instead of a TextArea for performance reasons. Uses the text content split on line breaks as ListView's model.
Features:
* auto-scroll to bottom
* display line numbers
* customizable line delegates (e.g.: display a real progress bar)
* color lines according to log level
* add SensorDBDialog explaining how to add a new entry in the sensor DB and ease the access to the sensor database
* enable intrinsics rebuild at user level from this dialog
* MessageDialog: react to clicks on hyperlinks
* use it in MetadataListView and GraphEditor 'add Node' menu
* GraphEditor: forward MenuItem key events to searchBar to be able to continue editing the filter even if it lost active focus
Add a button to copy the textual content of a MessageDialog to the clipboard.
* use hidden TextEdit to perform the copy operation
* add function to modify this text in inherited components
* move icon to title
* display and allow to upgrade incompatible nodes after project loading
* add a ToolButton in main toolbar to open CompatibilityManager in case of compatibility issues
* display selectable-by-mouse source filepath
* add radius property to FloatingPane to control border radius from outside
* use FloatingPane in ImageMetadataView
