Update mediation popup text

Signed-off-by: HenrikJannsen <boilingfrog@gmx.com>

core/src/main/resources/i18n/displayStrings.properties

@@ -975,14 +975,15 @@ portfolio.pending.mediationResult.popup.info=The mediator has suggested the foll
   Your trading peer receives: {1}\n\n\
   You can accept or reject this suggested payout.\n\n\
   By accepting, you sign the proposed payout transaction. \
+  Mediation is expected to be the optimal resolution for both traders. \
   If your trading peer also accepts and signs, the payout will be completed, and the trade will be closed.\n\n\
-  If one or both of you reject the suggestion, you will have to wait until {2} (block {3}) to open a \
-  second-round dispute with an arbitrator who will investigate the case again and do a payout based on their findings.\n\n\
-  The arbitrator may charge a small fee (fee maximum: the trader''s security deposit) as compensation for their work. \
-  Both traders agreeing to the mediator''s suggestion is the happy path—requesting arbitration is meant for \
-  exceptional circumstances, such as if a trader is sure the mediator did not make a fair payout suggestion \
-  (or if the other peer is unresponsive).\n\n\
-  More details about the new arbitration model: [HYPERLINK:https://bisq.wiki/Dispute_resolution#Level_3:_Arbitration]
+  If one or both of you reject the suggestion, you will have to wait until {2} (block {3}) to reject mediation suggestion, \
+  which will open a second-round dispute with an arbitrator who will investigate the case again and do a payout based on their findings.\n\n\
+  If the trade goes to arbitration the arbitrator will pay out the trade amount plus one peer's security deposit. \
+  This means the total arbitration payout will be less than the mediation payout. \
+  Requesting arbitration is meant for exceptional circumstances. such as; \
+  one peer not responding, or disputing the mediator made a fair payout suggestion. \n\n\
+  More details about the arbitration model: [HYPERLINK:https://bisq.wiki/Dispute_resolution#Level_3:_Arbitration]
 portfolio.pending.mediationResult.popup.selfAccepted.lockTimeOver=You have accepted the mediator''s suggested payout \
   but it seems that your trading peer has not accepted it.\n\n\
   Once the lock time is over on {0} (block {1}), you can open a second-round dispute with an arbitrator who will \