Import EventTile_line_M at first based on specificity level

Signed-off-by: Suguru Hirahara <luixxiul@users.noreply.github.com>

res/css/_sc/feature-improvement/consistency__TextEvent/index.pcss

@@ -21,8 +21,8 @@ limitations under the License.
 @import "./views/messages/_DecryptionFailureBody.pcss";
 
 @define-mixin consistency__TextEvent {
+    @mixin EventTile_line_M;
     @mixin EventTile_line_color;
     @mixin EventTile_line_font;
-    @mixin EventTile_line_M;
     @mixin DecryptionFailureBody;
 }