Only apply pre-wrap inside of code blocks for suggest and parameter hints

src/vs/editor/contrib/parameterHints/browser/parameterHints.css

@@ -45,6 +45,9 @@
 
 .monaco-editor .parameter-hints-widget .docs {
 	padding: 0 10px 0 5px;
+}
+
+.monaco-editor .parameter-hints-widget .docs .code {
 	white-space: pre-wrap;
 }
 

src/vs/editor/contrib/suggest/browser/media/suggest.css

@@ -213,7 +213,6 @@
 	box-sizing: border-box;
 	height: 100%;
 	width: 100%;
-	white-space: pre-wrap;
 }
 
 .monaco-editor .suggest-widget .details > .monaco-scrollable-element > .body > .header > .type {
@@ -231,6 +230,10 @@
 	padding: 4px 5px;
 }
 
+.monaco-editor .suggest-widget .details > .monaco-scrollable-element > .body > .docs .code {
+	white-space: pre-wrap;
+}
+
 .monaco-editor .suggest-widget .details > .monaco-scrollable-element > .body > p:empty {
 	display: none;
 }