Add presize API to <perspective-viewer>

Signed-off-by: Andrew Stein <steinlink@gmail.com>

Author: texodus

rust/perspective-client/src/rust/config/expressions.rs

@@ -251,7 +251,7 @@ impl Expressions {
 }
 
 #[doc(hidden)]
-#[derive(Serialize, Clone, Copy)]
+#[derive(Serialize, Clone, Copy, PartialEq)]
 pub struct CompletionItemSuggestion {
     pub label: &'static str,
     pub insert_text: &'static str,

rust/perspective-viewer/src/less/viewer.less

@@ -314,7 +314,9 @@
         &:before {
             display: inline-block;
             height: 20px;
+            min-height: 20px;
             width: 20px;
+            min-width: 20px;
             content: "";
             mask-size: cover;
             -webkit-mask-size: cover;
@@ -351,7 +353,9 @@
         &:before {
             display: inline-block;
             height: 20px;
+            min-height: 20px;
             width: 20px;
+            min-width: 20px;
             content: "";
             mask-size: cover;
             -webkit-mask-size: cover;