Added an option for wildcards to be shuffled

[adieyal]

This will allow combinatorial generations to be random which matters when the number of generations is limited. This only solves the problem when wildcards are used. Inline choice operators are still deterministic

[adieyal]

This PR aims to address https://github.com/adieyal/sd-dynamic-prompts/issues/328 A config option will be available in the settings tab to enable shuffling.

[codecov-commenter]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.01 :tada:

Comparison is base (703df56) 97.67% compared to head (3776df2) 97.69%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #94 +/- ## ========================================== + Coverage 97.67% 97.69% +0.01% ========================================== Files 71 71 Lines 2885 2909 +24 ========================================== + Hits 2818 2842 +24 Misses 67 67 ``` | [Impacted Files](https://app.codecov.io/gh/adieyal/dynamicprompts/pull/94?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Adi+Eyal) | Coverage Δ | | |---|---|---| | [src/dynamicprompts/wildcards/wildcard\_manager.py](https://app.codecov.io/gh/adieyal/dynamicprompts/pull/94?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Adi+Eyal#diff-c3JjL2R5bmFtaWNwcm9tcHRzL3dpbGRjYXJkcy93aWxkY2FyZF9tYW5hZ2VyLnB5) | `97.64% <100.00%> (+0.21%)` | :arrow_up: | | [tests/wildcard/test\_wildcardmanager.py](https://app.codecov.io/gh/adieyal/dynamicprompts/pull/94?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Adi+Eyal#diff-dGVzdHMvd2lsZGNhcmQvdGVzdF93aWxkY2FyZG1hbmFnZXIucHk=) | `100.00% <100.00%> (ø)` | |

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