Replace icon for chat fetch history

Could be rotated arrow up, but this requires special handling in icons or list item

Author: Ferossgp

android/app/src/main/res/drawable-mdpi/arrow_down.png

@@ -0,0 +1,23 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "arrow_down.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "arrow_down@2x.png",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "filename" : "arrow_down@3x.png",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

android/app/src/main/res/drawable-xhdpi/arrow_down.png

@@ -45,7 +45,7 @@
    [list-item/list-item
     {:theme    :action
      :title    :t/fetch-history
-     :icon     :main-icons/tiny-arrow-down
+     :icon     :main-icons/arrow-down
      :on-press #(hide-sheet-and-dispatch [:chat.ui/fetch-history-pressed chat-id])}]
    [list-item/list-item
     {:theme    :action-destructive
@@ -73,7 +73,7 @@
      [list-item/list-item
       {:theme    :action
        :title    :t/fetch-history
-       :icon     :main-icons/tiny-arrow-down
+       :icon     :main-icons/arrow-down
        :on-press #(hide-sheet-and-dispatch [:chat.ui/fetch-history-pressed chat-id])}]
      [list-item/list-item
       {:theme    :action-destructive
@@ -99,7 +99,7 @@
    [list-item/list-item
     {:theme    :action
      :title    :t/fetch-history
-     :icon     :main-icons/tiny-arrow-down
+     :icon     :main-icons/arrow-down
      :on-press #(hide-sheet-and-dispatch [:chat.ui/fetch-history-pressed chat-id])}]
    [list-item/list-item
     {:theme    :action-destructive