Public Posts Search Launcher: Fix button layout (#6122)

src/components/left/search/PublicPostsSearchLauncher.module.scss

@@ -64,6 +64,10 @@
   margin-right: 0.25rem;
 }
 
+.searchIconWithNext {
+  margin-left: 0.25rem;
+}
+
 .searchQuery {
   overflow: hidden;
   display: inline-block;

src/components/left/search/PublicPostsSearchLauncher.tsx

@@ -174,7 +174,13 @@ const PublicPostsSearchLauncher = ({
               activeKey={searchButtonActiveKey}
             >
               <div className={styles.searchButtonContent}>
-                <Icon name="search" className={styles.searchIcon} />
+                <Icon
+                  name="search"
+                  className={
+                    buildClassName(styles.searchIcon,
+                      searchQuery && styles.searchIconWithNext)
+                  }
+                />
                 {lang('ButtonSearchPublicPosts', {
                   query: searchQuery ? <span className={styles.searchQuery}>{searchQuery}</span> : '',
                 }, { withNodes: true })}