update docs to split required and optional permissions

Author: VladislavAntonyuk

docs/maui/essentials/folder-picker.md

@@ -71,15 +71,12 @@ The `FolderPicker` can be added to a .NET MAUI application in the following way.
 
 ### Request permissions
 
-Developers must manually request Permissions.StorageRead and/or Permissions.StorageWrite:
+Developers must manually request Permissions.StorageRead:
 
 ```csharp
 var readPermissionsRequest = await Permissions.RequestAsync<Permissions.StorageRead>();
-var writePermissionsRequest = await Permissions.RequestAsync<Permissions.StorageWrite>();
 ```
 
-StorageWrite permission is required in case you plan to write something in the folder.
-
 ### Pick folder
 
 ```csharp

docs/maui/views/camera-view.md

@@ -25,6 +25,11 @@ The following permissions need to be added to the `Platforms/Android/AndroidMani
 <uses-permission android:name="android.permission.CAMERA" />
 ```
 
+In case you plan to record video, request Microphone permissions:
+```xml
+<uses-permission android:name="android.permission.RECORD_AUDIO" />
+```
+
 This should be added inside the `<manifest>` element. Below shows a more complete example:
 
 ```xml
@@ -34,6 +39,9 @@ This should be added inside the `<manifest>` element. Below shows a more complet
 
     <uses-permission android:name="android.permission.CAMERA" />
 
+    <!--Optional. Only for video recording-->
+    <uses-permission android:name="android.permission.RECORD_AUDIO" />
+
 </manifest>
 ```
 
@@ -46,6 +54,12 @@ The following entries need to be added to the `Platforms/iOS/Info.plist` file:
 <string>PROVIDE YOUR REASON HERE</string>
 ```
 
+In case you plan to record video, request Microphone permissions:
+```xml
+<key>NSMicrophoneUsageDescription</key>
+<string>PROVIDE YOUR REASON HERE</string>
+```
+
 This should be added inside the `<dict>` element. Below shows a more complete example:
 
 ```xml
@@ -96,6 +110,12 @@ The following entries need to be added to the `Platforms/MacCatalyst/Info.plist`
 <string>PROVIDE YOUR REASON HERE</string>
 ```
 
+In case you plan to record video, request Microphone permissions:
+```xml
+<key>NSMicrophoneUsageDescription</key>
+<string>PROVIDE YOUR REASON HERE</string>
+```
+
 This should be added inside the `<dict>` element. Below shows a more complete example:
 
 ```xml
@@ -161,12 +181,13 @@ Developers must manually request Permissions.Camera and/or Permissions.Microphon
 
 ```csharp
 var cameraPermissionsRequest = await Permissions.RequestAsync<Permissions.Camera>();
-var microphonePermissionsRequest = await Permissions.RequestAsync<Permissions.Microphone>();
 ```
 
-Camera permission is always required.
+In case you plan to record video, request Microphone permissions:
 
-Microphone Permission is required if you plan to use video recording.
+```csharp
+var microphonePermissionsRequest = await Permissions.RequestAsync<Permissions.Microphone>();
+```
 
 ### Including the XAML namespace