Fix default hotkey for Code Explorer

ref. #3534

Author: retailcoder

RetailCoder.VBE/app.config

@@ -73,7 +73,7 @@
         <value>
           <HotkeySetting xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xmlns:xsd="http://www.w3.org/2001/XMLSchema">
-            <Key1>C</Key1>
+            <Key1>R</Key1>
             <IsEnabled>true</IsEnabled>
             <HasShiftModifier>false</HasShiftModifier>
             <HasAltModifier>false</HasAltModifier>
@@ -188,4 +188,4 @@
       </setting>
     </Rubberduck.Properties.Settings>
   </applicationSettings>
-</configuration>
+</configuration>