fix: preserve spaces in the block's content

package.json

@@ -74,7 +74,7 @@
         "ignore": "^5.1.8",
         "is-svg": "4.2.2",
         "jszip": "^3.5.0",
-        "mldoc": "0.6.16",
+        "mldoc": "0.6.18",
         "path": "^0.12.7",
         "react": "^17.0.2",
         "react-dom": "^17.0.2",

src/main/frontend/components/block.cljs

@@ -1280,7 +1280,7 @@
                                2))
         elem (if heading-level
                (keyword (str "h" heading-level))
-               :div.inline)]
+               :span.inline)]
     (->elem
      elem
      (merge

src/main/frontend/components/block.css

@@ -10,6 +10,8 @@
   max-width: 100%;
   overflow: initial;
   cursor: text;
+  white-space: pre-wrap;
+  overflow-wrap: break-word;
   word-break: break-word;
 
   img {

yarn.lock

@@ -3860,10 +3860,10 @@ mkdirp@^0.5.4, mkdirp@~0.5.1:
   dependencies:
     minimist "^1.2.5"
 
[email protected]6:
-  version "0.6.16"
-  resolved "https://registry.yarnpkg.com/mldoc/-/mldoc-0.6.16.tgz#6cad0c9ce0015c92a630d7dc4c4fb2835f34eb98"
-  integrity sha512-9f9hCPaxIjd5bFugR1pgcH6m5Fwjnme9eGVty/uUch+k81wdey+fCzbp8szazP2J3Eneu5Z/181Tre501mpwwQ==
[email protected]8:
+  version "0.6.18"
+  resolved "https://registry.yarnpkg.com/mldoc/-/mldoc-0.6.18.tgz#a1c0b76d193ef9cd98c2763de3e8414cd83b9368"
+  integrity sha512-Bg460Jdp4kBgmAYUdVtWG7AZSQ0EWVNsiWQ/7mljVLQp5yyERcySzw1nM4Hs5eZ5IKStzl6qz4m6XN/q11AUJw==
   dependencies:
     yargs "^12.0.2"