feat(mobile): Add session-replay toggle for ios, react native and flutter (#14240)

## DESCRIBE YOUR PR
Adds the session replay toggle for missing platforms

## IS YOUR CHANGE URGENT?  

Help us prioritize incoming PRs by letting us know when the change needs
to go live.
- [ ] Urgent deadline (GA date, etc.): <!-- ENTER DATE HERE -->
- [ ] Other deadline: <!-- ENTER DATE HERE -->
- [x] None: Not urgent, can wait up to 1 week+

## PRE-MERGE CHECKLIST

*Make sure you've checked the following before merging your changes:*

- [ ] Checked Vercel preview for correctness, including links
- [ ] PR was reviewed and approved by any necessary SMEs (subject matter
experts)
- [ ] PR was reviewed and approved by a member of the [Sentry docs
team](https://github.com/orgs/getsentry/teams/docs)

Author: romtsn

docs/platforms/apple/common/index.mdx

@@ -36,7 +36,7 @@ Select which Sentry features you'd like to install in addition to Error Monitori
 
 <PlatformSection notSupported={["apple.tvos", "apple.watchos", "apple.visionos"]}>
 
-<OnboardingOptionButtons options={['error-monitoring', 'performance', 'profiling']}/>
+<OnboardingOptionButtons options={['error-monitoring', 'performance', 'profiling', 'session-replay']}/>
 
 </PlatformSection>
 
@@ -117,6 +117,12 @@ func application(_ application: UIApplication,
             $0.sessionSampleRate = 1
         }
         // ___PRODUCT_OPTION_END___ profiling
+
+        // ___PRODUCT_OPTION_START___ session-replay
+        // Record session replays for 100% of errors and 10% of sessions
+        options.sessionReplay.onErrorSampleRate = 1.0
+        options.sessionReplay.sessionSampleRate = 0.1
+        // ___PRODUCT_OPTION_END___ session-replay
     }
 
     return true
@@ -148,6 +154,12 @@ func application(_ application: UIApplication,
             profiling.sessionSampleRate = 1.f;
         };
         // ___PRODUCT_OPTION_END___ profiling
+
+        // ___PRODUCT_OPTION_START___ session-replay
+        // Record session replays for 100% of errors and 10% of sessions
+        options.sessionReplay.onErrorSampleRate = 1.0;
+        options.sessionReplay.sessionSampleRate = 0.1;
+        // ___PRODUCT_OPTION_END___ session-replay
     }];
 
     return YES;
@@ -180,6 +192,12 @@ struct SwiftUIApp: App {
                 $0.sessionSampleRate = 1
             }
             // ___PRODUCT_OPTION_END___ profiling
+
+            // ___PRODUCT_OPTION_START___ session-replay
+            // Record session replays for 100% of errors and 10% of sessions
+            options.sessionReplay.onErrorSampleRate = 1.0
+            options.sessionReplay.sessionSampleRate = 0.1
+            // ___PRODUCT_OPTION_END___ session-replay
         }
     }
 }

docs/platforms/dart/guides/flutter/index.mdx

@@ -32,6 +32,7 @@ Select which Sentry features you'd like to install in addition to Error Monitori
     'error-monitoring',
     'performance',
     'profiling',
+    'session-replay',
     'logs',
   ]}
 />
@@ -124,6 +125,11 @@ Future<void> main() async {
       // Enable logs to be sent to Sentry
       options.enableLogs = true;
       // ___PRODUCT_OPTION_END___ logs
+      // ___PRODUCT_OPTION_START___ session-replay
+      // Record session replays for 100% of errors and 10% of sessions
+      options.replay.onErrorSampleRate = 1.0;
+      options.replay.sessionSampleRate = 0.1;
+      // ___PRODUCT_OPTION_END___ session-replay
     },
     appRunner: () => runApp(
       SentryWidget(

docs/platforms/react-native/index.mdx

@@ -59,6 +59,7 @@ If you're using Expo, [read our docs](/platforms/react-native/manual-setup/expo/
     'error-monitoring',
     'performance',
     'profiling',
+    'session-replay',
   ]}
 />
 
@@ -84,6 +85,12 @@ Sentry.init({
   // Here, we'll capture profiles for 100% of transactions.
   profilesSampleRate: 1.0,
   // ___PRODUCT_OPTION_END___ profiling
+  // ___PRODUCT_OPTION_START___ session-replay
+  // Record session replays for 100% of errors and 10% of sessions
+  replaysOnErrorSampleRate: 1.0,
+  replaysSessionSampleRate: 0.1,
+   integrations: [Sentry.mobileReplayIntegration()],
+  // ___PRODUCT_OPTION_END___ session-replay
 });
 ```