Ui improvements (#5755)

* PLT-5816 - Flagged posts tooltip fix

* PLT-5766 - Link previews appearing outside the box

* PLT-5795 - Fixing alignment user list in channel

* PLT-5818 - Reset password error not aligned

* PLT-5837 - Adjusting image preview max height

* PLT-5778 - Updating word break for paragraphs

* PLT-5848 - Updating label for file error

* PLT-5846 - Markdown tables extra border on mobile

* PLT-5662 - Pinned post UI improvement

* Fixing eslint error

* Updating tooltip eslint issue

* PLT-5832 - Removing error styling on labels

webapp/sass/layout/_post.scss

@@ -359,6 +359,10 @@
 }
 
 .post-create__container {
+    label {
+        font-weight: normal;
+    }
+
     form {
         margin: 0 auto;
         padding: .5em 15px 0;
@@ -523,6 +527,7 @@
             .col__reply {
                 min-width: 0;
             }
+
             .dropdown {
                 margin-right: 0;
             }
@@ -749,6 +754,7 @@
         line-height: 1.6em;
         margin: 0;
         white-space: pre-wrap;
+        word-break: break-word;
     }
 
     .post__header--info {
@@ -786,7 +792,7 @@
 
             .flag-icon__container {
                 left: 36px;
-                margin-left: 5px;
+                margin-left: 7px;
                 position: absolute;
                 top: 8px;
             }
@@ -1358,6 +1364,8 @@
 
 .post__pinned-badge {
     margin-left: 7px;
+    position: relative;
+    top: -1px;
 }
 
 .permalink-text {