Ensure the cursor becomes visible when the selection is emptied

(Even if the cursor doesn't move)

spec/app/edit-session-spec.coffee

@@ -1042,6 +1042,7 @@ describe "EditSession", ->
             expect(line).toBe "  var ort = function(items) {"
             expect(editSession.getCursorScreenPosition()).toEqual {row: 1, column: 6}
             expect(changeScreenRangeHandler).toHaveBeenCalled()
+            expect(editSession.getCursor().isVisible()).toBeTruthy()
 
         describe "when the cursor is at the beginning of a line", ->
           it "joins it with the line above", ->

src/app/cursor.coffee

@@ -13,13 +13,13 @@ class Cursor
 
   constructor: ({@editSession, @marker}) ->
     @editSession.observeMarker @marker, (e) =>
+      @setVisible(@selection.isEmpty())
+
       {oldHeadScreenPosition, newHeadScreenPosition} = e
       {oldHeadBufferPosition, newHeadBufferPosition} = e
       {bufferChanged} = e
-
       return if oldHeadScreenPosition.isEqual(newHeadScreenPosition)
 
-      @setVisible(@selection.isEmpty())
       @needsAutoscroll ?= @isLastCursor() and !bufferChanged
 
       movedEvent =