Fixed Project Pane dropdown menu alignment.

Author: larz0

src/extensions/default/RecentProjects/styles/styles.css

@@ -50,6 +50,11 @@
 /* TODO: style the dropdown content */
 #project-dropdown.dropdown-menu {
     position: absolute;
+    
+    /* offset for better alignment with the button */
+    margin-top: -1px;
+    margin-left: 1px;
+    
     display: block;
     max-width: none;
     z-index: 100;

src/styles/brackets_patterns_override.less

@@ -292,8 +292,10 @@ a:focus {
 
     // Menu dropdown appearance
     .dropdown-menu {
-        top: 34px; // Offset from top of menubar item
+        // Offset for better alignment with button
+        top: 34px;
         margin-top: 0;
+        margin-left: 1px;
 
         // Fix for #4593: don't let narrow parent (menubar item) cause text wrap at the float boundary between
         // the menu item label and keyboard shortcut. This takes away the "gotta get narrower" pressure.