Adds a controls widget

[alexhroom]

This PR fixes #7 by adding a Controls widget to the MDI. In particular:

• adds an editControls command for undoable edits to the Controls object
• adds controls getters and setters for the MainWindowPresenter
• adds a ControlsWidget and FitSettingsWidget subwidget for the controls interface
• creates EnumDelegate and BoolDelegate, unused item delegates which will be used later for the Project tab
• creates a ValidatedInputWidget which generates a value input field from Pydantic field info
• adds an AdaptiveDoubleSpinBox featuring adaptive decimal places and scientific notation

Note there is currently one workaround in here - resampleParams is not listed in the widget until we have decided on what to do about RascalSoftware/python-RAT#69

See below screenshots of the widget when running and not running. When running, the areas to edit the Controls object are greyed out so that it cannot be edited during a run. If there are invalid fit settings, trying to run will produce an error message telling the user which fit settings are invalid.

[StephenNneji]

Almost there, please see comments