Rename editor-manual to manual

There is a defined list of of valid origin values for the provenance.
This does not include `editor`, so to make sure all values are valid we
use `manual` instead.

See ac1df4de91/java/ql/lib/semmle/code/java/dataflow/internal/FlowSummaryImpl.qll (L221-L229)

extensions/ql-vscode/src/data-extensions-editor/modeled-method.ts

@@ -11,7 +11,7 @@ export type Provenance =
   // Generated by the dataflow model and manually edited
   | "df-manual"
   // Entered by the user in the editor manually
-  | "editor-manual";
+  | "manual";
 
 export type ModeledMethod = {
   type: ModeledMethodType;

extensions/ql-vscode/src/stories/data-extensions-editor/DataExtensionsEditor.stories.tsx

@@ -224,7 +224,7 @@ DataExtensionsEditor.args = {
       input: "Argument[this]",
       output: "ReturnValue",
       kind: "taint",
-      provenance: "editor-manual",
+      provenance: "manual",
     },
     "org.sql2o.Query#executeScalar(Class)": {
       type: "neutral",

extensions/ql-vscode/src/stories/data-extensions-editor/MethodRow.stories.tsx

@@ -50,6 +50,6 @@ MethodRow.args = {
     input: "Argument[this]",
     output: "ReturnValue",
     kind: "taint",
-    provenance: "editor-manual",
+    provenance: "manual",
   },
 };

extensions/ql-vscode/src/view/data-extensions-editor/MethodRow.tsx

@@ -71,9 +71,7 @@ export const MethodRow = ({
         ...modeledMethod,
         type: target.value as ModeledMethodType,
         provenance:
-          modeledMethod?.provenance === "df-generated"
-            ? "df-manual"
-            : "editor-manual",
+          modeledMethod?.provenance === "df-generated" ? "df-manual" : "manual",
       });
     },
     [onChange, externalApiUsage, modeledMethod, argumentsList],