standardize post buttons

packages/client/src/components/MkPostForm.vue

@@ -203,8 +203,8 @@
 				>
 					<i class="ph-plug ph-bold ph-lg"></i>
 				</button>
+				<!--	v-if="showMfmCheatsheet" -->
 				<button
-					v-if="showMfmCheatsheet"
 					v-tooltip="i18n.ts._mfm.cheatSheet"
 					class="_button right"
 					@click="openCheatSheet"

packages/client/src/components/MkSubNoteContent.vue

@@ -149,7 +149,8 @@
 		<MkButton
 			v-if="hasMfm && defaultStore.state.animatedMfm"
 			@click.stop="toggleMfm"
-			:mini="true"
+			mini
+			rounded
 		>
 			<template v-if="disableMfm">
 				<i class="ph-play ph-bold"></i> {{ i18n.ts._mfm.play }}

packages/client/src/components/MkUrlPreview.vue

@@ -93,10 +93,10 @@
 			</component>
 		</transition>
 		<div v-if="tweetId" class="expandTweet">
-			<a @click="tweetExpanded = true">
+			<MkButton mini rounded @click="tweetExpanded = true">
 				<i class="ph-twitter-logo ph-bold ph-lg"></i>
 				{{ i18n.ts.expandTweet }}
-			</a>
+			</MkButton>
 		</div>
 	</div>
 </template>