Add latex option to call result "withoutUnit"

i.e. value and errors, but not the unit
In contrast, "value" only outputs the value itself without any errors.

src/application/latex_stringifier.py

@@ -73,6 +73,7 @@ def result_to_latex_cmd(self, result: Result) -> str:
         # Unit
         if result.unit != "":
             builder.add_branch("unit", rf"\unit{{{result.unit}}}")
+            builder.add_branch("withoutUnit", self.result_to_latex_str_without_unit(result))
 
         # Error message
         keywords = builder.keywords
@@ -106,3 +107,9 @@ def result_to_latex_str_without_error(self, result: Result) -> str:
         Returns the result without error as LaTeX string making use of the siunitx package.
         """
         return self.create_str(result.value, [], result.unit)
+
+    def result_to_latex_str_without_unit(self, result: Result) -> str:
+        """
+        Returns the result without unit as LaTeX string making use of the siunitx package.
+        """
+        return self.create_str(result.value, result.uncertainties, "")