fix(2054): player/queue-dropdown mobile layout widths

changes/changelog.d/2054.bugfix

@@ -0,0 +1 @@
+Fixed mobile player element widths (#2054)

front/src/style/components/_player.scss

@@ -219,7 +219,7 @@
     display: flex;
     align-items: center;
     justify-content: space-between;
-    min-width: 10em;
+    min-width: 8em;
     z-index: 2;
     > .control.button {
       padding: 0.5em;

front/src/style/components/_queue.scss

@@ -283,6 +283,7 @@
       align-items: center;
       justify-content: center;
       text-align: center;
+      max-width: 100vw;
 
       .ui.header {
         width: 100%;