Update Mic icon in the composer bar. Closes #6443

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/TextComposer.kt

@@ -98,6 +98,9 @@ import kotlinx.coroutines.launch
 import uniffi.wysiwyg_composer.MenuAction
 import kotlin.time.Duration.Companion.seconds
 
+/**
+ * https://www.figma.com/design/G1xy0HDZKJf5TCRFmKb5d5/Compound-Android-Components?node-id=2012-39036
+ */
 @Composable
 fun TextComposer(
     state: TextEditorState,

libraries/textcomposer/impl/src/main/kotlin/io/element/android/libraries/textcomposer/components/VoiceMessageRecorderButtonIcon.kt

@@ -42,7 +42,7 @@ private fun StartButton(
 ) {
     Icon(
         modifier = modifier.size(24.dp),
-        imageVector = CompoundIcons.MicOn(),
+        imageVector = CompoundIcons.MicOnSolid(),
         // Note: accessibility is managed in TextComposer.
         contentDescription = null,
         tint = ElementTheme.colors.iconSecondary,