Add display of units for calculated KCL values (#7619)

* Add display of units in UI modals with calculated KCL values

* Fix command bar display to handle units

* Add display of units in the command bar

* Fix more cases of NaN from units

* Fix to support explicit plus for exponent in scientific notation

* Fix display in autocomplete

* Change to parseFloat to be more resilient

* Add e2e test for command bar

* Change an existing test to use explicit inline units

* Fix case when input string can't be parsed

rust/kcl-lib/src/lib.rs

@@ -140,7 +140,7 @@ pub mod std_utils {
 
 pub mod pretty {
     pub use crate::{
-        fmt::{format_number_literal, human_display_number},
+        fmt::{format_number_literal, format_number_value, human_display_number},
         parsing::token::NumericSuffix,
     };
 }