Define default width in separate field

Fix `if(` spacing.

Author: jcansdale

src/GitHub.InlineReviews/Glyph/GlyphMargin.cs

@@ -18,6 +18,8 @@ namespace GitHub.InlineReviews.Glyph
     /// <typeparam name="TGlyphTag">The type of glyph tag we're managing.</typeparam>
     public sealed class GlyphMargin<TGlyphTag> : IWpfTextViewMargin, ITextViewMargin, IDisposable where TGlyphTag: ITag
     {
+        const double DefaultMarginWidth = 17.0;
+
         bool handleZoom;
         bool isDisposed;
         Grid marginVisual;
@@ -34,7 +36,7 @@ public GlyphMargin(
             Grid marginVisual,
             ITagAggregator<TGlyphTag> tagAggregator,
             IEditorFormatMap editorFormatMap,
-            string marginPropertiesName, string marginName, bool handleZoom = true, double marginWidth = 17.0)
+            string marginPropertiesName, string marginName, bool handleZoom = true, double marginWidth = DefaultMarginWidth)
         {
             textView = wpfTextViewHost.TextView;
             this.tagAggregator = tagAggregator;

src/GitHub.InlineReviews/InlineCommentMarginProvider.cs

@@ -67,9 +67,9 @@ IWpfTextViewMargin CreateMargin<TGlyphTag>(IGlyphFactory<TGlyphTag> glyphFactory
             glyphMarginView.Unloaded += (s, e) => glyphMarginViewModel.Dispose();
 
             var margin = new GlyphMargin<TGlyphTag>(wpfTextViewHost, glyphFactory, glyphMarginView, tagAggregator, editorFormatMap,
-                MarginPropertiesName, MarginName, true, 17.0);
+                MarginPropertiesName, MarginName, true);
 
-            if(IsDiffView(wpfTextViewHost))
+            if (IsDiffView(wpfTextViewHost))
             {
                 TrackCommentGlyph(wpfTextViewHost, glyphMarginView);
             }

src/GitHub.InlineReviews/ViewModels/GlyphMarginViewModel.cs

@@ -35,7 +35,7 @@ public void Dispose()
 
         void PackageSettings_PropertyChanged(object sender, PropertyChangedEventArgs e)
         {
-            if(e.PropertyName == nameof(packageSettings.EditorComments))
+            if (e.PropertyName == nameof(packageSettings.EditorComments))
             {
                 RefreshVisibility();
             }
@@ -75,7 +75,7 @@ public bool Visible
         {
             private set
             {
-                if(value != visible)
+                if (value != visible)
                 {
                     visible = value;
                     PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(nameof(Visible)));