Pull request: 3395 fix table scroll styles

Closes #3395

Squashed commit of the following:

commit 63fd4593977cd2ac6595344f681df499dc62abb1
Author: Ildar Kamalov <ik@adguard.com>
Date:   Mon Aug 16 11:58:26 2021 +0300

    client: fix table scroll styles

client/src/components/App/index.css

@@ -52,7 +52,7 @@ body {
 
 .modal-body--medium {
     max-height: 20rem;
-    overflow-y: scroll;
+    overflow-y: auto;
 }
 
 .modal-body__item:not(:first-child) {

client/src/components/Logs/Cells/IconTooltip.css

@@ -6,7 +6,7 @@
     pointer-events: auto !important;
     background-color: var(--white);
     z-index: 102;
-    overflow-y: scroll;
+    overflow-y: auto;
     max-height: 100%;
 }
 

client/src/components/Logs/Logs.css

@@ -388,7 +388,7 @@
     border-collapse: collapse;
     contain: layout;
     overflow-x: hidden;
-    overflow-y: scroll;
+    overflow-y: auto;
     will-change: scroll-position;
 }