Improve class member snippet completions and keyword completions interaction (#52525)

src/server/protocol.ts

@@ -2335,6 +2335,11 @@ export interface CompletionEntry {
      * coupled with `replacementSpan` to replace a dotted access with a bracket access.
      */
     insertText?: string;
+    /**
+     * A string that should be used when filtering a set of
+     * completion items.
+     */
+    filterText?: string;
     /**
      * `insertText` should be interpreted as a snippet if true.
      */

src/server/session.ts

@@ -2267,6 +2267,7 @@ export class Session<TMessage = string> implements EventSender {
                     kindModifiers,
                     sortText,
                     insertText,
+                    filterText,
                     replacementSpan,
                     hasAction,
                     source,
@@ -2285,6 +2286,7 @@ export class Session<TMessage = string> implements EventSender {
                     kindModifiers,
                     sortText,
                     insertText,
+                    filterText,
                     replacementSpan: convertedSpan,
                     isSnippet,
                     hasAction: hasAction || undefined,