[MM-37772] Idiomatic naming (URL, URI, API) (#18128)

* s/Url/URL/g & s/Uri/URI/g

* s/Api/API/g

model/utils_test.go

@@ -855,7 +855,7 @@ func TestSanitizeUnicode(t *testing.T) {
 	}
 }
 
-func TestIsValidHTTPUrl(t *testing.T) {
+func TestIsValidHTTPURL(t *testing.T) {
 	t.Parallel()
 
 	testCases := []struct {
@@ -940,7 +940,7 @@ func TestIsValidHTTPUrl(t *testing.T) {
 			}()
 
 			t.Parallel()
-			require.Equal(t, testCase.Expected, IsValidHTTPUrl(testCase.Value))
+			require.Equal(t, testCase.Expected, IsValidHTTPURL(testCase.Value))
 		})
 	}
 }