Stop auto adding subtract advanced value when pressing "-" key in num…

…ber field, makes it awkward to type negative numbers (ideally we'd check the caret is not at the start of the number but DOM API doesn't allow getting caret position for input type="number"

src/components/forms/ValueSelect.tsx

@@ -574,17 +574,7 @@ const ValueSelect = ({
       } else if (e.key === "+") {
         setValueFunction("add");
       } else if (e.key === "-") {
-        // Need to check input isn't empty
-        // to still allow negative numbers in number fields
-        const hasSelection =
-          e.currentTarget instanceof HTMLInputElement &&
-          (window.getSelection()?.toString().length ?? 0) > 0;
-        if (
-          e.currentTarget.nodeName === "BUTTON" ||
-          ("value" in e.currentTarget &&
-            e.currentTarget.value.trim().length > 0 &&
-            !hasSelection)
-        ) {
+        if (e.currentTarget.nodeName === "BUTTON") {
           setValueFunction("sub");
         }
       } else if (e.key === "*") {