Change the styleName info-right-button to control-trashButton because it's not good name

* fix the position of lock button

browser/main/Detail/MarkdownNoteDetail.js

@@ -290,7 +290,7 @@ class MarkdownNoteDetail extends React.Component {
                 this.state.isLockButtonShown ? lockButtonComponent : ''
               )
             })()}
-            <button styleName='info-right-button'
+            <button styleName='control-trashButton'
               onClick={(e) => this.handleContextButtonClick(e)}
             >
               <svg height="17px" id="Capa_1" style={{"enableBackground":"new 0 0 753.23 753.23"}} width="17px" version="1.1" viewBox="0 0 753.23 753.23" x="0px" y="0px" xmlSpace="preserve">

browser/main/Detail/MarkdownNoteDetail.styl

@@ -39,6 +39,22 @@
   opacity 0
   transition 0.1s
 
+.control-trashButton
+  float right
+  width 34px
+  height 34px
+  border-radius 17px
+  font-size 14px
+  margin 13px 7px
+  padding-top 7px 
+  border none
+  color $ui-button-color
+  fill $ui-button-color
+  background-color transparent
+  &:hover
+    opacity 1
+    background-color $ui-button--hover-backgroundColor
+
 .body
   absolute left right
   left $note-detail-left-margin
@@ -64,3 +80,11 @@ body[data-theme="dark"]
 
   .control-lockButton-tooltip
     darkTooltip()
+
+  .control-trashButton
+    navDarkButtonColor()
+    border-color $ui-dark-borderColor
+    &:active
+      border-color $ui-dark-button--focus-borderColor
+    &:focus
+      border-color $ui-button--focus-borderColor

browser/main/Detail/NoteDetailInfo.styl

@@ -54,22 +54,6 @@ $info-margin-under-border = 27px
   bottom 1px
   padding-left 30px
 
-.info-right-button
-  width 34px
-  height 34px
-  border-radius 17px
-  font-size 14px
-  margin 13px 7px
-  padding-top 7px 
-  border none
-  color $ui-button-color
-  fill $ui-button-color
-  background-color transparent
-  &:hover
-    opacity 1
-    background-color $ui-button--hover-backgroundColor
-
-
 body[data-theme="dark"]
   .info
     border-color $ui-dark-borderColor
@@ -89,11 +73,3 @@ body[data-theme="dark"]
 
   .info-right
     background-color $ui-dark-noteDetail-backgroundColor
-
-  .info-right-button
-    navDarkButtonColor()
-    border-color $ui-dark-borderColor
-    &:active
-      border-color $ui-dark-button--focus-borderColor
-    &:focus
-      border-color $ui-button--focus-borderColor