Fix typos with codespell

Using codespell 1.15.0.

Method:
```
$ cat > ../godot-word-whitelist.txt << EOF
ang
curvelinear
doubleclick
leapyear
lod
merchantibility
nd
numer
ois
ony
que
seeked
synching
te
uint
unselect
webp
EOF

$ codespell -w -q 3 -I ../godot-word-whitelist.txt --skip="./thirdparty,*.po"
$ git diff // undo unwanted changes
```

2 files changed, 3 insertions, 3 deletions

diff --git a/scene/gui/container.cpp b/scene/gui/container.cpp
index 7f1ca58d58..1f9bfb9936 100644
--- a/scene/gui/container.cpp
+++ b/scene/gui/container.cpp
@@ -177,7 +177,7 @@ String Container::get_configuration_warning() const {
 		if (warning != String()) {
 			warning += "\n";
 		}
-		warning += TTR("Container by itself serves no purpose unless a script configures it's children placement behavior.\nIf you dont't intend to add a script, then please use a plain 'Control' node instead.");
+		warning += TTR("Container by itself serves no purpose unless a script configures it's children placement behavior.\nIf you don't intend to add a script, then please use a plain 'Control' node instead.");
 	}
 	return warning;
 }
diff --git a/scene/gui/text_edit.cpp b/scene/gui/text_edit.cpp
index 71e84e974f..8acd28a2f4 100644
--- a/scene/gui/text_edit.cpp
+++ b/scene/gui/text_edit.cpp
@@ -3603,7 +3603,7 @@ void TextEdit::_insert_text(int p_line, int p_char, const String &p_text, int *r
 	op.chain_forward = false;
 	op.chain_backward = false;
 
-	//see if it shold just be set as current op
+	//see if it should just be set as current op
 	if (current_op.type != op.type) {
 		op.prev_version = get_version();
 		_push_current_op();
@@ -3654,7 +3654,7 @@ void TextEdit::_remove_text(int p_from_line, int p_from_column, int p_to_line, i
 	op.chain_forward = false;
 	op.chain_backward = false;
 
-	//see if it shold just be set as current op
+	//see if it should just be set as current op
 	if (current_op.type != op.type) {
 		op.prev_version = get_version();
 		_push_current_op();