Fix lint errors

Manually fix all lint errors.
Some errors could not be fixed, a TODO comment was added.

To fix errors caused by `react-hooks/exhaustive-deps`, missing
dependencies were added to the dependencies array of some `useEffect`
calls.
We need to make sure that all `useEffect` call work as intended before
merging

Gitlab: #29
Change-Id: I939a99b0be53795ecc28d25b5067f037403f5e08
diff --git a/client/src/components/Message.js b/client/src/components/Message.js
index 0278d0b..e36b0da 100644
--- a/client/src/components/Message.js
+++ b/client/src/components/Message.js
@@ -14,7 +14,7 @@
 dayjs.extend(isYesterday);
 
 export const MessageCall = (props) => {
-  return <Stack alignItems="center">"Appel"</Stack>;
+  return <Stack alignItems="center">&quot;Appel&quot;</Stack>;
 };
 
 export const MessageInitial = (props) => {
@@ -30,7 +30,7 @@
       isFirstOfGroup={props.isFirstOfGroup}
       isLastOfGroup={props.isLastOfGroup}
     >
-      "data-transfer"
+      &quot;data-transfer&quot;
     </MessageBubble>
   );
 };
@@ -50,7 +50,7 @@
 };
 
 export const MessageMerge = (props) => {
-  return <Stack alignItems="center">"merge"</Stack>;
+  return <Stack alignItems="center">&quot;merge&quot;</Stack>;
 };
 
 export const MessageText = (props) => {