Fixed up button widths to prevent label truncation when viewer is at the...

Fixed up button widths to prevent label truncation when viewer is at the default 1000x700 size. Related to https://jira.secondlife.com/browse/EXT-4820 (see comments).

indra/newview/skins/default/xui/en/panel_bottomtray.xml

@@ -47,7 +47,7 @@
          min_height="23"
          width="310"
          top="4"
-         min_width="188"
+         min_width="220"
          name="chat_bar"
          user_resize="false"
          filename="panel_nearby_chat_bar.xml" />
@@ -60,7 +60,7 @@
          min_height="28"
          width="100"
          top_delta="0"
-         min_width="54"
+         min_width="100"
          name="speak_panel"
          user_resize="false">
           <talk_button
@@ -100,7 +100,7 @@
          min_height="28"
          width="82"
          top_delta="0"
-         min_width="52"
+         min_width="62"
          name="gesture_panel"
          user_resize="false">
          <gesture_combo_list
@@ -252,7 +252,7 @@
          top="0"
          name="chiclet_list_panel"
          width="189"
-         min_width="110"
+         min_width="60"
          user_resize="false"
          auto_resize="true">
 <!--*NOTE: min_width of the chiclet_panel (chiclet_list) must be the same
@@ -263,7 +263,7 @@ as for parent layout_panel (chiclet_list_panel) to resize bottom tray properly.
              height="24"
              layout="topleft"
              left="1"
-             min_width="110"
+             min_width="60"
              name="chiclet_list"
              top="7"
              chiclet_padding="4"