feat(datepicker): drop native datepickers in favor of AirDatePicker for better compatibility

As Firefox (still) doesn't support month input type

app/apps/common/utils/django.py

@@ -0,0 +1,32 @@
+def django_to_python_datetime(django_format):
+    mapping = {
+        # Day
+        "j": "%d",  # Day of the month without leading zeros
+        "d": "%d",  # Day of the month with leading zeros
+        "D": "%a",  # Day of the week, short version
+        "l": "%A",  # Day of the week, full version
+        # Month
+        "n": "%m",  # Month without leading zeros
+        "m": "%m",  # Month with leading zeros
+        "M": "%b",  # Month, short version
+        "F": "%B",  # Month, full version
+        # Year
+        "y": "%y",  # Year, 2 digits
+        "Y": "%Y",  # Year, 4 digits
+        # Time
+        "g": "%I",  # Hour (12-hour), without leading zeros
+        "G": "%H",  # Hour (24-hour), without leading zeros
+        "h": "%I",  # Hour (12-hour), with leading zeros
+        "H": "%H",  # Hour (24-hour), with leading zeros
+        "i": "%M",  # Minutes
+        "s": "%S",  # Seconds
+        "a": "%p",  # am/pm
+        "A": "%p",  # AM/PM
+        "P": "%I:%M %p",
+    }
+
+    python_format = django_format
+    for django_code, python_code in mapping.items():
+        python_format = python_format.replace(django_code, python_code)
+
+    return python_format