Remove "Thanks" option for Luna when entering other chat paths

src/chats/serenity.yaml

@@ -402,6 +402,7 @@
   - goto: mainnode
 - if: "$$chefhat"
   The cake is a lie.:
+  - set: grateful 0
   - if $begged:
     - Damn sure it is!
     - if $backupinstalled:
@@ -445,6 +446,7 @@
     - goto: EXIT
   - goto: mainnode
 - What are you up to?:
+  - set: grateful 0
   - Tinkering on various projects and running a workshop. Come by if you need any repairs!
   - What kind of projects?:
     - A tuned MotorAce spaceship, an impact dampener, and... a secret project.
@@ -524,6 +526,7 @@
     - goto: mainnode
   - goto: timeout
 - What brings you here?:
+  - set: grateful 0
   - if $thinking:
     - As said, I don't like people.
   - if ~$thinking:
@@ -540,6 +543,7 @@
   - goto: mainnode
 - if: "~phone$luna"
   Can I have your phone number?:
+  - set: grateful 0
   - if $backupinstalled:
     - Of course, time traveler! Anything!
     - script: registercontact luna
@@ -552,6 +556,7 @@
   - How do I know you're not a scammer?
 - if: "$$ar"
   You're wearing cat ears!:
+  - set: grateful 0
   - msg: Meowwww!
     sound: cat
   - Yes.
@@ -559,6 +564,7 @@
   - goto: mainnode
 - if: "$timetravel"
   Do you think time travel into the past is possible?:
+  - set: grateful 0
   - if $believe:
     - Well, you just proved it to me, didn't you?
     - How else would you know the phrase and the chef hat thing?
@@ -605,6 +611,7 @@
       - Thank you.
       - goto: mainnode
 - Bye!:
+  - set: grateful 0
   - label: bye
   - if $believe:
     - So long, time traveler!