Added supporting logic to SaveText and SaveContents for Editorial Spell Checker

Added supporting logic to SpellCheckNext for Editorial Spell Checker
Save text changes before starting up the spell checker
Added supporting logic to UpdateEditor for Editorial Spell Checker

PROMS/Volian.Controls.Library/StepTabRibbon.cs

@@ -2873,6 +2873,7 @@ namespace Volian.Controls.Library
 		private void btnSpell_Click(object sender, EventArgs e)
 		{
 			//MessageBox.Show("Functionality not available.", "Spell Check");
+			MyEditItem.SaveContents();
 			StepPanelTabDisplayEventArgs args = new StepPanelTabDisplayEventArgs("SpellChecker");
 			MyEditItem.MyStepPanel.OnTabDisplay(sender, args);
 		}