Merged in f5soh/librepilot/LP-487_Wrong_defaults_Dterm_basic (pull request #452)

LP-487 Allow the Default button group #1 (PID rate-basic) also reset the RPY Dterm (in advanced tab) to defaults.

Approved-by: Lalanne Laurent <f5soh@free.fr>
Approved-by: Philippe Renon <philippe_renon@yahoo.fr>
Approved-by: Jan NIJS <dr.oblivium@gmail.com>
Approved-by: Alessio Morale <alessiomorale@gmail.com>

Author: f5soh

ground/gcs/src/plugins/config/stabilization.ui

@@ -14332,7 +14332,7 @@ border-radius: 5;</string>
                           <string>element:Kd</string>
                           <string>haslimits:no</string>
                           <string>scale:1</string>
-                          <string>buttongroup:4,20</string>
+                          <string>buttongroup:1,4,20</string>
                          </stringlist>
                         </property>
                        </widget>
@@ -14451,7 +14451,7 @@ border-radius: 5;</string>
                           <string>element:Kd</string>
                           <string>haslimits:no</string>
                           <string>scale:1</string>
-                          <string>buttongroup:4,20</string>
+                          <string>buttongroup:1,4,20</string>
                          </stringlist>
                         </property>
                        </widget>
@@ -15132,7 +15132,7 @@ border-radius: 5;</string>
                           <string>element:Kd</string>
                           <string>haslimits:no</string>
                           <string>scale:1</string>
-                          <string>buttongroup:4,20</string>
+                          <string>buttongroup:1,4,20</string>
                          </stringlist>
                         </property>
                        </widget>