fix(toolbar): swap mark-as-unread and archive buttons

Summary:
fixes T3628

problem
- mark-as-read button was in most prominent location
- archive button is most used button, but unfortunately in less prominent location
- user is annoyed at inconvenient real estate allocation

Test Plan: tested manually for regressions. all previous tests still green.

Reviewers: bengotow

Maniphest Tasks: T3628

Differential Revision: https://phab.nylas.com/D2033

internal_packages/message-list/lib/thread-archive-button.cjsx

@@ -9,7 +9,7 @@ class ThreadArchiveButton extends React.Component
 
   render: =>
     <button className="btn btn-toolbar btn-archive"
-            style={order: -105}
+            style={order: -106}
             data-tooltip="Archive"
             onClick={@_onArchive}>
       <RetinaImg name="toolbar-archive.png" mode={RetinaImg.Mode.ContentIsMask}/>

internal_packages/message-list/lib/thread-toggle-unread-button.cjsx

@@ -10,7 +10,7 @@ class ThreadToggleUnreadButton extends React.Component
     fragment = if @props.thread?.unread then "read" else "unread"
 
     <button className="btn btn-toolbar"
-            style={order: -106}
+            style={order: -105}
             data-tooltip="Mark as #{fragment}"
             onClick={@_onClick}>
       <RetinaImg name="icon-toolbar-markas#{fragment}@2x.png"

internal_packages/thread-list/lib/thread-buttons.cjsx

@@ -12,7 +12,7 @@ class ThreadBulkArchiveButton extends React.Component
     selection: React.PropTypes.object.isRequired
 
   render: ->
-    <button style={order:-105}
+    <button style={order:-106}
             className="btn btn-toolbar"
             data-tooltip="Archive"
             onClick={@_onArchive}>
@@ -63,7 +63,7 @@ class ThreadBulkToggleUnreadButton extends React.Component
   render: =>
     fragment = if @state.canMarkUnread then "unread" else "read"
 
-    <button style={order:-106}
+    <button style={order:-105}
             className="btn btn-toolbar"
             data-tooltip="Mark as #{fragment}"
             onClick={@_onClick}>