fix: adjust find_elements_mixin.py to refine return types and defaults

Author: thalissonvs

pydoll/elements/mixins/find_elements_mixin.py

@@ -79,10 +79,10 @@ async def find(
         tag_name: Optional[str] = ...,
         text: Optional[str] = ...,
         timeout: int = ...,
-        find_all: Literal[True] = True,
-        raise_exc: Literal[True] = True,
+        find_all: Literal[False] = False,
+        raise_exc: Literal[False] = False,
         **attributes,
-    ) -> list[WebElement]: ...
+    ) -> Optional[WebElement]: ...
 
     @overload
     async def find(
@@ -94,9 +94,9 @@ async def find(
         text: Optional[str] = ...,
         timeout: int = ...,
         find_all: Literal[True] = True,
-        raise_exc: Literal[False] = False,
+        raise_exc: Literal[True] = True,
         **attributes,
-    ) -> Optional[list[WebElement]]: ...
+    ) -> list[WebElement]: ...
 
     @overload
     async def find(
@@ -107,10 +107,10 @@ async def find(
         tag_name: Optional[str] = ...,
         text: Optional[str] = ...,
         timeout: int = ...,
-        find_all: Literal[False] = False,
+        find_all: Literal[True] = True,
         raise_exc: Literal[False] = False,
         **attributes,
-    ) -> Optional[WebElement]: ...
+    ) -> Optional[list[WebElement]]: ...
 
     @overload
     async def find(