Get into oanda submenu (#1611)

Comment-out not needed checks for `to` and `from` currency.
Add `oanda` forex source in dictionary.
Fix #1608

openbb_terminal/forex/forex_controller.py

@@ -287,14 +287,14 @@ class ForexController(BaseController):
         """Enter Oanda menu."""
         from openbb_terminal.forex.oanda.oanda_controller import OandaController
 
-        if self.to_symbol and self.from_symbol:
+        # if self.to_symbol and self.from_symbol:
 
-            self.queue = self.load_class(
-                OandaController,
-                queue=self.queue,
-            )
-        else:
-            console.print("No currency pair data is loaded. Use 'load' to load data.\n")
+        self.queue = self.load_class(
+            OandaController,
+            queue=self.queue,
+        )
+        # else:
+        #     console.print("No currency pair data is loaded. Use 'load' to load data.\n")
 
     @log_start_end(log=logger)
     def call_ta(self, _):

openbb_terminal/forex/forex_helper.py

@@ -19,6 +19,7 @@ from openbb_terminal.config_terminal import theme
 FOREX_SOURCES: Dict = {
     "yf": "YahooFinance",
     "av": "AlphaAdvantage",
+    "oanda": "Oanda",
 }
 
 SOURCES_INTERVALS: Dict = {

openbb_terminal/forex/oanda/oanda_controller.py

@@ -56,7 +56,7 @@ class OandaController(BaseController):
 
         self.from_symbol = ""
         self.to_symbol = ""
-        self.source = "Oanda"
+        self.source = "oanda"
         self.instrument: Union[str, None] = None
 
         if session and obbff.USE_PROMPT_TOOLKIT:

openbb_terminal/keys_controller.py

@@ -1260,7 +1260,7 @@ class KeysController(BaseController):
             help="token",
         )
         parser.add_argument(
-            "-t",
+            "-at",
             "--account_type",
             type=str,
             dest="account_type",