AccountMediaFragment improvements (#2684)

* initial setup

* add spacing between images

* use blurhash

* handle hidden state and show video indicator

* handle item clicks

* small cleanup

* move SquareImageView into account.media package

* fix build

* improve AccountMediaGridAdapter

* handle loadstate, errors and refreshing

* remove commented out code

* log error

* show audio attachments with icon

* fix glitchy transition animation

* set image Description on imageview

* show toast with media description on long press

app/src/main/java/com/keylesspalace/tusky/network/MastodonApi.kt

@@ -319,12 +319,12 @@ interface MastodonApi {
     @GET("api/v1/accounts/{id}/statuses")
     fun accountStatuses(
         @Path("id") accountId: String,
-        @Query("max_id") maxId: String?,
-        @Query("since_id") sinceId: String?,
-        @Query("limit") limit: Int?,
-        @Query("exclude_replies") excludeReplies: Boolean?,
-        @Query("only_media") onlyMedia: Boolean?,
-        @Query("pinned") pinned: Boolean?
+        @Query("max_id") maxId: String? = null,
+        @Query("since_id") sinceId: String? = null,
+        @Query("limit") limit: Int? = null,
+        @Query("exclude_replies") excludeReplies: Boolean? = null,
+        @Query("only_media") onlyMedia: Boolean? = null,
+        @Query("pinned") pinned: Boolean? = null
     ): Single<Response<List<Status>>>
 
     @GET("api/v1/accounts/{id}/followers")