internal/lsp: handle staticcheck in code actions

Missed this in CL 254038.

Change-Id: I485f6e9112628dc4ff83e7ea47b59b340742711f
Reviewed-on: https://go-review.googlesource.com/c/tools/+/254597
Run-TryBot: Rebecca Stambler <[email protected]>
gopls-CI: kokoro <[email protected]>
TryBot-Result: Go Bot <[email protected]>
Reviewed-by: Robert Findley <[email protected]>
(cherry picked from commit 17fc728)
Reviewed-on: https://go-review.googlesource.com/c/tools/+/254795

Author: stamblerre

internal/lsp/code_action.go

@@ -323,6 +323,9 @@ func diagnosticToAnalyzer(snapshot source.Snapshot, src, msg string) (analyzer *
 	if a, ok := snapshot.View().Options().DefaultAnalyzers[src]; ok {
 		return &a
 	}
+	if a, ok := snapshot.View().Options().StaticcheckAnalyzers[src]; ok {
+		return &a
+	}
 	if a, ok := snapshot.View().Options().ConvenienceAnalyzers[src]; ok {
 		return &a
 	}