use ph-lock for followers visibility

packages/client/src/components/MkPostForm.vue

@@ -44,7 +44,7 @@
 						><i class="ph-house ph-bold ph-lg"></i
 					></span>
 					<span v-if="visibility === 'followers'"
-						><i class="ph-lock-simple-open ph-bold ph-lg"></i
+						><i class="ph-lock ph-bold ph-lg"></i
 					></span>
 					<span v-if="visibility === 'specified'"
 						><i class="ph-envelope-simple-open ph-bold ph-lg"></i

packages/client/src/components/MkRenoteButton.vue

@@ -158,7 +158,7 @@ const renote = async (viaKeyboard = false, ev?: MouseEvent) => {
 	} else {
 		buttonActions.push({
 			text: `${i18n.ts.renote} (${i18n.ts._visibility.followers})`,
-			icon: "ph-lock-simple-open ph-bold ph-lg",
+			icon: "ph-lock ph-bold ph-lg",
 			danger: false,
 			action: () => {
 				os.api("notes/create", {

packages/client/src/components/MkVisibility.vue

@@ -7,7 +7,7 @@
 		></i>
 		<i
 			v-else-if="note.visibility === 'followers'"
-			class="ph-lock-simple-open ph-bold ph-lg"
+			class="ph-lock ph-bold ph-lg"
 			v-tooltip="i18n.ts._visibility.followers"
 		></i>
 		<i

packages/client/src/components/MkVisibilityPicker.vue

@@ -53,7 +53,7 @@
 				@click="choose('followers')"
 			>
 				<div :class="$style.icon">
-					<i class="ph-lock-simple-open ph-bold ph-lg"></i>
+					<i class="ph-lock ph-bold ph-lg"></i>
 				</div>
 				<div :class="$style.body">
 					<span :class="$style.itemTitle">{{