chore: enable forcetypeassert linter, fix issues (#38804)

Enable [`forcetypeassert`](https://github.com/gostaticanalysis/forcetypeassert)
linter to prevent unchecked type assertions. ~650 issues fixed, most
fixes were clean, some use `setting.PanicInDevOrTesting`.

The only behaviour changes are where code would previously send a 500 error
or panic, a 4xx error is now emitted.

Co-authored-by: wxiaoguang <wxiaoguang@gmail.com>

routers/web/shared/actions/runners.go

@@ -251,7 +251,7 @@ func RunnersEditPost(ctx *context.Context) {
 		return
 	}
 
-	form := web.GetForm(ctx).(*forms.EditRunnerForm)
+	form := web.GetForm[*forms.EditRunnerForm](ctx)
 	runner.Description = form.Description
 
 	err = actions_model.UpdateRunner(ctx, runner, "description")

routers/web/shared/actions/variables.go

@@ -122,7 +122,7 @@ func VariableCreate(ctx *context.Context) {
 		return
 	}
 
-	form := web.GetForm(ctx).(*forms.EditVariableForm)
+	form := web.GetForm[*forms.EditVariableForm](ctx)
 
 	v, err := actions_service.CreateVariable(ctx, vCtx.OwnerID, vCtx.RepoID, form.Name, form.Data, form.Description)
 	if err != nil {
@@ -154,7 +154,7 @@ func VariableUpdate(ctx *context.Context) {
 		return
 	}
 
-	form := web.GetForm(ctx).(*forms.EditVariableForm)
+	form := web.GetForm[*forms.EditVariableForm](ctx)
 	variable.Name = form.Name
 	variable.Data = form.Data
 	variable.Description = form.Description

routers/web/shared/label/label.go

@@ -11,7 +11,7 @@ import (
 )
 
 func GetLabelEditForm(ctx *context.Context) *forms.CreateLabelForm {
-	form := web.GetForm(ctx).(*forms.CreateLabelForm)
+	form := web.GetForm[*forms.CreateLabelForm](ctx)
 	if ctx.HasError() {
 		ctx.JSONError(ctx.GetErrMsg())
 		return nil

routers/web/shared/packages/packages.go

@@ -63,7 +63,7 @@ func PerformRuleEditPost(ctx *context.Context, owner *user_model.User, redirectU
 		return
 	}
 
-	form := web.GetForm(ctx).(*forms.PackageCleanupRuleForm)
+	form := web.GetForm[*forms.PackageCleanupRuleForm](ctx)
 
 	if form.Action == "remove" {
 		if err := packages_model.DeleteCleanupRuleByID(ctx, pcr.ID); err != nil {
@@ -85,7 +85,7 @@ func performRuleEditPost(ctx *context.Context, owner *user_model.User, pcr *pack
 		pcr = &packages_model.PackageCleanupRule{}
 	}
 
-	form := web.GetForm(ctx).(*forms.PackageCleanupRuleForm)
+	form := web.GetForm[*forms.PackageCleanupRuleForm](ctx)
 
 	pcr.Enabled = form.Enabled
 	pcr.OwnerID = owner.ID

routers/web/shared/project/project.go

@@ -78,7 +78,7 @@ func MoveColumns(ctx *context.Context) {
 }
 
 func AddColumnToProjectPost(ctx *context.Context) {
-	form := web.GetForm(ctx).(*forms.EditProjectColumnForm)
+	form := web.GetForm[*forms.EditProjectColumnForm](ctx)
 	project := findProject(ctx)
 	if ctx.Written() {
 		return
@@ -98,7 +98,7 @@ func AddColumnToProjectPost(ctx *context.Context) {
 }
 
 func EditProjectColumn(ctx *context.Context) {
-	form := web.GetForm(ctx).(*forms.EditProjectColumnForm)
+	form := web.GetForm[*forms.EditProjectColumnForm](ctx)
 	_, column := findColumn(ctx)
 	if ctx.Written() {
 		return

routers/web/shared/secrets/secrets.go

@@ -27,7 +27,7 @@ func SetSecretsContext(ctx *context.Context, ownerID, repoID int64) {
 }
 
 func PerformSecretsPost(ctx *context.Context, ownerID, repoID int64, redirectURL string) {
-	form := web.GetForm(ctx).(*forms.AddSecretForm)
+	form := web.GetForm[*forms.AddSecretForm](ctx)
 
 	s, _, err := secret_service.CreateOrUpdateSecret(ctx, ownerID, repoID, form.Name, util.NormalizeStringEOL(form.Data), form.Description)
 	if err != nil {

routers/web/shared/user/block.go

@@ -66,7 +66,7 @@ func BlockedUsersPost(ctx *context.Context, blocker *user_model.User, redirect s
 		return
 	}
 
-	form := web.GetForm(ctx).(*forms.BlockUserForm)
+	form := web.GetForm[*forms.BlockUserForm](ctx)
 	err := blockedUsersPost(ctx, form, blocker)
 	if err == nil {
 		ctx.JSONRedirect(redirect)