fix: handle exactOptionalPropertyTypes for symlogLinearThreshold in profile effects

Only set symlogLinearThreshold on the action payload when the profile
field is defined, avoiding passing undefined to an optional property
which violates exactOptionalPropertyTypes.

Co-authored-by: Samuel <samuel@knutsen.co>

Author: cursoragent

tensorbored/webapp/profile/effects/profile_effects.ts

@@ -308,7 +308,9 @@ export class ProfileEffects {
           JSON.stringify(pinnedCards)
         );
 
-        return metricsActions.profileMetricsSettingsApplied({
+        const actionPayload: Parameters<
+          typeof metricsActions.profileMetricsSettingsApplied
+        >[0] = {
           pinnedCards,
           superimposedCards: profile.superimposedCards.map((card) => ({
             id: card.id,
@@ -318,8 +320,11 @@ export class ProfileEffects {
           })),
           tagFilter,
           smoothing: profile.smoothing,
-          symlogLinearThreshold: profile.symlogLinearThreshold,
-        });
+        };
+        if (profile.symlogLinearThreshold !== undefined) {
+          actionPayload.symlogLinearThreshold = profile.symlogLinearThreshold;
+        }
+        return metricsActions.profileMetricsSettingsApplied(actionPayload);
       })
     )
   );