Fixing issue with HBS insert, not including curlies as required. Also fixing an issue with value not always being correctly updated.

packages/builder/src/components/common/bindings/BindingPanel.svelte

@@ -51,8 +51,9 @@
   })
   $: codeMirrorHints = bindings?.map(x => `$("${x.readableBinding}")`)
 
-  const updateValue = value => {
-    valid = isValid(readableToRuntimeBinding(bindings, value))
+  const updateValue = val => {
+    valid = isValid(readableToRuntimeBinding(bindings, val))
+    value = val
     if (valid) {
       dispatch("change", value)
     }

packages/builder/src/components/common/bindings/utils.js

@@ -1,7 +1,10 @@
 export function addHBSBinding(value, caretPos, binding) {
   binding = typeof binding === "string" ? binding : binding.path
   value = value == null ? "" : value
-  if (!value.includes("{{") && !value.includes("}}")) {
+
+  const left = caretPos?.start ? value.substring(0, caretPos.start) : ""
+  const right = caretPos?.end ? value.substring(caretPos.end) : ""
+  if (!left.includes("{{") || !right.includes("}}")) {
     binding = `{{ ${binding} }}`
   }
   if (caretPos.start) {