Remove explicit dependency androix.compose.material (#6199)

* Remove explicit dependency for `androix.compose.material` for compose library modules

* Ensure `Button` uses the `material3.Icon` instead of the `material.Icon`

* Remove entry in `libs.versions.toml`

libraries/designsystem/src/main/kotlin/io/element/android/libraries/designsystem/theme/components/Button.kt

@@ -229,7 +229,7 @@ private fun ButtonInternal(
                 Spacer(modifier = Modifier.width(8.dp))
             }
             leadingIcon != null -> {
-                androidx.compose.material.Icon(
+                Icon(
                     painter = leadingIcon.getPainter(),
                     contentDescription = null,
                     tint = LocalContentColor.current,