Account Activity enhancements (#1196)

* use the "follow" button as an "unblock" button on the profiles of blocked users

* use the "follow" button as an "unblock" button on the profiles of blocked users

* add an icon to the profiles that can be clicked to mute/unmute the user

* add an icon to the profiles that can be clicked to mute/unmute the user

* Fix view issues

* Fix view issues

* Implement swipe to refresh for Account layout

* Implement swipe to refresh handler at the account screen

* Implement swipe to refresh

* Correct account refresh

* Show Progress Bar

* Show Progress Bar

* Move "itSelf" check into the viewModel

* Change methods access level

* Change TimelineFragment newInstance overload

* Change avatarSize type to Float

* Replace ImageButton with MaterialButton

* Update account activity swipe to refresh colors

* Refactor code

* Refactor code

* Fix crash on moved account refresh

* Show moved account stats

* Update mute button behaviour

* Show tabs and content for moved accounts

* Fix crash on tablet

app/src/main/res/layout-sw640dp/fragment_timeline.xml

@@ -45,5 +45,16 @@
             app:layout_constraintTop_toTopOf="parent"
             tools:src="@drawable/elephant_error"
             tools:visibility="visible" />
+        <androidx.core.widget.ContentLoadingProgressBar
+            android:id="@+id/topProgressBar"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            style="@style/Widget.AppCompat.ProgressBar.Horizontal"
+            app:layout_constraintTop_toTopOf="parent"
+            android:indeterminate="true"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintBottom_toTopOf="parent"
+            android:visibility="gone"/>
     </androidx.constraintlayout.widget.ConstraintLayout>
 </FrameLayout>