TextClient UI: hide panel selection when there's only one panel to select.

CommonClient: remove "/connect " if it was accidentally copy-pasted into server bar.

kvui.py

@@ -70,6 +70,14 @@ class GameManager(App):
             self.tabs.add_widget(panel)
 
         self.grid.add_widget(self.tabs)
+
+        if len(self.logging_pairs) == 1:
+            # Hide Tab selection if only one tab
+            self.tabs.clear_tabs()
+            self.tabs.do_default_tab = False
+            self.tabs.current_tab.height = 0
+            self.tabs.tab_height = 0
+
         textinput = TextInput(size_hint_y=None, height=30, multiline=False)
         textinput.bind(on_text_validate=self.on_message)
         self.grid.add_widget(textinput)
@@ -90,7 +98,7 @@ class GameManager(App):
             self.ctx.server_address = None
             asyncio.create_task(self.ctx.disconnect())
         else:
-            asyncio.create_task(self.ctx.connect(self.server_connect_bar.text))
+            asyncio.create_task(self.ctx.connect(self.server_connect_bar.text.replace("/connect ", "")))
 
     def on_stop(self):
         self.ctx.exit_event.set()