Add a new warning when a provider cannot be downloaded and it was requested by an implicit usage (#2479)

Signed-off-by: yottta <andrei.ciobanu@opentofu.org>
Co-authored-by: AbstractionFactory <179820029+abstractionfactory@users.noreply.github.com>

internal/command/e2etest/testdata/provider-implicit-ref-not-found/implicit-by-resource-and-data/main.tf

@@ -0,0 +1,10 @@
+# This is for testing that the implicitly defined providers cannot be fetched and the user is getting an info of the root cause
+resource "nonexistingProv_res" "test1" {
+}
+
+data "nonexistingProv2_data" "test2" {
+}
+
+module "testmod" {
+  source = "./mod"
+}

internal/command/e2etest/testdata/provider-implicit-ref-not-found/implicit-by-resource-and-data/mod/main.tf

@@ -0,0 +1,2 @@
+resource "nonexistingProv_res" "test2" {
+}