BUG: Rules with the same name result in KeyError when both are added to a Rule_Collection

[HenryAsa]

Describe the issue:

Use the id() function to define the key values of a Rule object in a Rule_Collection rather than a Rule's name. id(Rule) returns a unique value (integer) for each object, so no two unique Rules will have the same id() value.
However, two rules may have the same name, so even if the rules are different (have different attributes and serve different purposes), if they have the same name (which is also possible because they may both be unnamed and just use the default name), then there will be an error in the Rule_Collection.

Reproduce the code example:

from gmail_rules.rules import Rule
from gmail_rules.actions import Rule_Collection

rule_1 = Rule(rule_name="Mango")
rule_2 = Rule(rule_name="Mango")

rule_collection_1 = Rule_Collection()
rule_collection_1.add_rule(rule_1)
rule_collection_2.add_rule(rule_2)

Error message:

KeyError: 'Mango is already in the collection of rules.  Use update_rule() to change the value of this rule'

Screenshots

No response

OS

Mac