Topic messages: rename "content" to "value" (#2765)

kafka-ui-react-app/src/components/Topics/Topic/Messages/Filters/Filters.tsx

@@ -459,7 +459,7 @@ const Filters: React.FC<FiltersProps> = ({
             />
           </div>
           <div>
-            <InputLabel>Content Serde</InputLabel>
+            <InputLabel>Value Serde</InputLabel>
             <Select
               id="selectValueSerdeOptions"
               aria-labelledby="selectValueSerdeOptions"

kafka-ui-react-app/src/components/Topics/Topic/Messages/MessagesTable.tsx

@@ -27,7 +27,7 @@ const MessagesTable: React.FC = () => {
           <TableHeaderCell title="Partition" />
           <TableHeaderCell title="Timestamp" />
           <TableHeaderCell title="Key" />
-          <TableHeaderCell title="Content" />
+          <TableHeaderCell title="Value" />
           <TableHeaderCell> </TableHeaderCell>
         </tr>
       </thead>

kafka-ui-react-app/src/components/Topics/Topic/SendMessage/SendMessage.tsx

@@ -154,7 +154,7 @@ const SendMessage: React.FC<{ onSubmit: () => void }> = ({ onSubmit }) => {
             />
           </S.Column>
           <S.Column>
-            <InputLabel>Content Serde</InputLabel>
+            <InputLabel>Value Serde</InputLabel>
             <Controller
               control={control}
               name="valueSerde"
@@ -190,7 +190,7 @@ const SendMessage: React.FC<{ onSubmit: () => void }> = ({ onSubmit }) => {
             />
           </S.Column>
           <S.Column>
-            <InputLabel>Content</InputLabel>
+            <InputLabel>Value</InputLabel>
             <Controller
               control={control}
               name="content"